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Những hội thảo trực tuyến (77)Hệ thống sắc ký ion 940 Professional IC Vario
Tính linh hoạt tối ưu chỉ trong một thiết bị: Thiết bị sắc ký ion hầu như không có giới hạn về cấu hình.
Chuẩn độ OMNIS KF
Một giải pháp được tích hợp đầy đủ dùng cho xác định hàm lượng nước bằng phương pháp chuẩn độ thể tích và điện lượng Karl Fischer.
Thiết bị phân tích DS2500
Nhỏ gọn và mạnh mẽ: Thiết bị quang phổ cận hồng ngoại dành cho kiểm soát chất lượng nhanh chóng và tiết kiệm chi phí, sàng lọc hằng ngày các mẫu rắn và lỏng.
Máy Phân Tích OMNIS NIR
Đem đến cảm giác tích cực trong phòng thí nghiệm của bạn: Thiết bị quang phổ cận hồng ngoại tiên tiến nhất giúp kiểm soát chất lượng và sàng lọc sản phẩm dễ dàng hơn, nhanh hơn và hiệu quả hơn.
Máy quang phổ Raman cầm tay MIRA XTR
Hệ thống Raman cầm tay hàng đầu cho xác định an toàn tại hiện trường đối với các chất chưa biết: Nhỏ gọn, linh hoạt, thông minh và chắc chắn.
Nền tảng thiết bị Phân Tích Online 2060
Nền tảng thiết bị chắc chắn và đáng tin cậy với thiết kế mô đun tùy chỉnh tối đa hóa sự linh động trong việc giám sát online.
Thiết bị 2060 XRF Process Analyzer
Kiểm soát online cho mẫu lỏng với giải pháp đo huỳnh quang tia X (online X-ray Fluorescence).
Thiết bị điện hóa VIONIC
Tương lai trong lĩnh vực điện hóa. VIONIC: thiết bị hoàn hảo.
Máy đo pH 949
Thiết bị đo pH để bàn dòng cơ bản, nhỏ gọn dùng để đo pH, mV và ORP đơn giản và đáng tin cậy.
Máy đo cầm tay (912, 913, 914)
Máy đo pH, máy đo độ dẫn và máy đo oxy kết hợp dạng cầm tay chắc chắn dùng cho phân tích hiện trường hoặc trong phòng thí nghiệm.
29530010
TacticID-1064 ST BasicThe TacticID®-1064 ST is a 1064 nm handheld Raman analyzer for rapid field identification of explosives, narcotics, and other suspicious materials. The see-through capability of the TacticID-1064 ST can nondestructively analyze samples through opaque and transparent packaging, with sample threat level displayed prominently for first responders, safety personnel, law enforcement, bomb squads, customs and border protection, and hazmat teams to act quickly with minimal sample contact.The TacticID-1064 ST utilizes proven Raman spectroscopy, in combination with patented STRaman® technology, allowing users to get real-time actionable identification of unknown chemicals, narcotics, pharmaceutical drugs, explosives and many other substances even through opaque barriers, significantly reducing operational uncertainty and response time.The TacticID-1064 ST with 1064 nm laser excitation and ST adapter for see-through applications scans a large sample area, producing a fluorescence-free spectrum, allowing users to identify tough street samples, inhomogeneous mixtures and materials directly through packaging.This IP68-rated system features a high brightness display with touchscreen and/or hardware button interface for ease of use even through protective gear.Metrohm TacticID-1064ST Basic package includes the See-Through Attachment, General Attachment, Polystyrene Attachment, Rugged Carry Case, cables, power supply, and laser safety goggles.
29530020
TacticID-1064 ST AdvancedThe TacticID®-1064 ST is a 1064 nm handheld Raman analyzer for rapid field identification of explosives, narcotics, and other suspicious materials. The see-through capability of the TacticID-1064 ST can nondestructively analyze samples through opaque and transparent packaging, with sample threat level displayed prominently for first responders, safety personnel, law enforcement, bomb squads, customs and border protection, and hazmat teams to act quickly with minimal sample contact.The TacticID-1064 ST utilizes proven Raman spectroscopy, in combination with patented STRaman® technology, allowing users to get real-time actionable identification of unknown chemicals, narcotics, pharmaceutical drugs, explosives and many other substances even through opaque barriers, significantly reducing operational uncertainty and response time.The TacticID-1064 ST with 1064 nm laser excitation and the ST Attachment for see-through applications scans a large sample area, producing a fluorescence-free spectrum, allowing users to identify tough street samples, inhomogeneous mixtures and materials directly through packaging.This IP68-rated system features a high brightness display with touchscreen and/or hardware button interface for ease of use even through protective gear.Metrohm TacticID-1064ST Advanced package includes the See-Through Attachment, General Attachment, SWD Attachment, Vial Holder, LWD Attachment, Right Angle Attachment, Polystyrene Attachment, Immersion Probe, Rugged Carry Case, cables, power supply, and laser safety goggles.
29530030
TacticID-1064 ST FlexThe Metrohm TacticID-1064 ST Flex package allows the user to customize the Metrohm TacticID-1064 ST to meet their needs. The Flex package includes the basic components needed to operate Metrohm TacticID-1064 ST without sampling attachments. At least one sampling attachment is required for operation.The TacticID-1064 ST Flex package includes the Polystyrene Attachment, a USB-C to USB-C Cable (1.8 m), a Power Supply (15V 3A), and a TacticID-1064 ST v2 Battery.
3500001080
VIONICVIONIC is our new-generation potentiostat/galvanostat that is powered by Autolab’s new INTELLO software.VIONIC offers the most versatile combined specifications of any single instrument currently on the market.Compliance voltage: ± 50 V; Standard current ± 6 A; EIS frequency: up to 10 MHz; Sampling interval: down to 1 μs; Also included in VIONIC’s price are features that would usually carry an additional cost with most other instruments such as:Electrochemical Impedance Spectroscopy (EIS); Selectable Floating; Second Sense (S2); Analog Scan;
3500003360
Autolab IMPThe Autolab IMP is a compact potentiostat/galvanostat with included EIS functionality. The overall specifications of the Autolab IMP (±10 V compliance/measured/applied voltage, ±100 mA measured/applied current, 10 μHz to 1 MHz EIS frequency range and included analog integrator) make it the ideal instrument for any educational lab, as well as for starting any electrochemistry projects.Autolab IMP is controlled by and delivered with the powerful NOVA software, including a dedicated “EC Fundamentals” procedures library, making the electrochemistry educational process even easier. The Analog and digital inputs/outputs are available to control Autolab accessories and external devices.
66071700
MIRA Comprehensive Raman LibraryMIRA Metrohm Comprehensive Raman Library - More than 27,700 spectral entries of chemicals, minerals, organic chemicals, solvents, polymers, dyes and pigments, TICs, TIMs, inorganics and organometallics, personal care products, and illicit materials..
ProfIC Vario 2 AnCat
"ProfIC Vario 2 AnCat" – Professional IC Vario system with inline ultrafiltrationThe Professional IC Vario system with Metrohm inline ultrafiltration, sequential suppression and conductivity detection enables fully automatic determination of anions and cations.Typical areas of application:Samples with slight to moderate contamination with particles, algae, or bacteria; Drinking and surface water; Process and waste water; Schematic representation
ProfIC Vario 2 Anion
"ProfIC Vario 2 Anion" – Professional IC Vario system with Inline UltrafiltrationThe Professional IC Vario system with Metrohm Inline Ultrafiltration, sequential suppression, and conductivity detection enables fully automatic determination of anions or cations.Typical areas of application:Samples with slight to moderate contamination with particles, algae, or bacteria; Drinking and surface water; Process and waste water; Schematic representation
ProfIC Vario 2 Cation
"ProfIC Vario 2 Cation" – Professional IC Vario system with inline ultrafiltrationThe Professional IC Vario system with Metrohm inline ultrafiltration and conductivity detection enables fully automatic determination of cations or anions (non-suppressed).Typical areas of application:Samples with slight to moderate contamination with particles, algae, or bacteria; Drinking and surface water; Process and waste water; Schematic representation
ProfIC Vario 6 AnCat
"ProfIC Vario 6 AnCat" – Professional IC Vario system with Inline Dilution and Inline UltrafiltrationThe Professional IC Vario system with Metrohm Inline Dilution, Metrohm Inline Ultrafiltration, sequential suppression, and conductivity detection enables fully automatic determination of anions and cations that are present in very high concentrations and that have matrices containing particles.Typical areas of application:Rinse, process, and waste water; Extractions and digestion solutions; Food samples; Schematic representation
- WP-010WP-010Glyphosate and AMPA in drinking water
For the first time, glyphosate determination and that of its primary metabolite AMPA in drinking water using IC with pulsed amperometric detection (flexIPAD) in the low µg/L range are shown. Compared to HPLC analysis with a mass-selective detector, it is a very cost-effective method for determining the glyphosate and AMPA content in water and foodstuffs. With a detection limit at approx. 1 µg/L, compliance with limit values for glyphosate can be monitored in the USA, Canada, and Australia, among others.
- WP-020WP-020Near-infrared spectroscopy: Technology comparison
This White Paper compares the two most commonly used technologies in near-infrared spectroscopy: Predispersive monochromator technology and Fourier transformation technology. In addition to measurement speeds and captured spectral ranges, the noise levels and the signal-noise ratios associated with them are also contrasted with one another.
- WP-029WP-029Near-Infrared Spectroscopy: Quantitative analysis according to ASTM E1655
Near-Infrared spectroscopy (NIRS) is a widely used analytical technique for quantitative analysis of various products in research and industrial applications. This white paper summarizes the workflow of the development of quantitative methods according to ASTM E1655.
- WP-037WP-037Simplifying quality control using Near-Infrared Spectroscopy
Quality control is impacted by multiple challenges, which can have an influence on the functioning of the QC lab. The present White Paper provides approaches, how to simplify the daily quality control using near-infrared spectroscopy combined with a dedicated smart software like Vision Air.
- WP-053WP-053Determination of Acid Number (AN) with Titration and NIR Spectroscopy
The acid number (AN) is a measure for the quality of oils and their potential to enhance corrosion. When analyzing fresh, unused oils, the AN is used to ensure the specified quality from the manufacturer, whereas for used oils the AN is determined to observe its increase until a critical level is reached. Although it is generally assumed that the AN correlates to the corrosive potential of the oil, this is not exactly correct, as it is the change of the AN value which indicates this issue. Therefore it is necessary to determine the AN on a regular basis.Several standards already exist to determine AN via titration methods, however it is also possible to measure this parameter via spectroscopic (NIRS) methodology. No matter which technique you choose, Metrohm has you covered with high-performance instruments suitable for these published norms.
- WP-001WP-001Chromium(VI) determination in children's toys
This article describes a simple and sensitive method for chromium(VI) determination in children's toys. The solution to be analyzed is prepared in accordance with DIN EN 71. Not only VIS detection but also post-column derivatization using diphenylcarbizide are parts of this method. The procedure described here is suitable for the precise determination of hexavalent chromium in the single-digit ppt range and, in addition, fulfils without difficulty the limit value of 10 ppt prescribed by the EU directive 2009/48/EC.
- WP-061WP-061Moisture in petroleum products according to ASTM D6304
Knowledge of the water content in lubricating oils, additives, and similar products is important in the manufacturing, purchase, sale, or transfer of petroleum products to help estimate their quality and performance characteristics. Monitoring the water content in such products can prevent damage to infrastructure and ensure safe operation by avoiding corrosion processes and subsequent engine wear. This White Paper explains the easy determination of moisture in petroleum samples by coulometric Karl Fischer titration according to the three procedures outlined in ASTM Method D6304. A comparison is given between the procedures to determine which is most suitable for different sample types.
- WP-009WP-009Determination of anions in tap water in accordance with US EPA Method 300
This article describes a simple method for the determination of seven standard anions (fluoride, chloride, nitrite, bromide, nitrate, phosphate and sulfate) in accordance with US EPA Method 300 Part A. An IC system is extended to include Inline Ultrafiltration and Inline Eluent Preparation for the analysis.
- WP-017WP-017Near-infrared spectroscopy in pharmacopoeias
The pharmaceutical industry is very likely more comprehensively regulated that any other branch of industry. It therefore requires analytic methods that meet the requirements of regulations while at the same time being practical. This applies in particular for large sample quantities, such as are encountered with incoming goods inspections, for example. It is here that particularly rapid and simple analysis methods are called for which make routine analyses simpler and more efficient. This White Paper describes some of the most important regulations in the pharmaceutical analysis and shows how Vis-NIR spectroscopy can solve analytic problems in the pharmaceutical industry in accordance with regulations.
- WP-023WP-023Karl Fischer titration and near-infrared spectroscopy in perfect synergy
Metrohm has shaped moisture analysis for more than half a century. Find out about new developments in water analysis and learn how near-infrared spectroscopy in combination with Karl Fischer titration can increase your sample throughput and boost your productivity.
Sắc ký ion
IC Metrohm: Thiết bị sắc ký ion bền bỉ và dễ sử dụng trong xác định anion, cation và các chất phân cực. Chúng tôi cung cấp hệ thống sắc ký ion, cột phân tích cũng như các giải pháp tự động hóa và xử lý mẫu. Hãy tìm kiếm các hệ thống sắc ký ion cao áp lý tưởng cho việc phân tích thông thường trong phòng thí nghiệm và cho các ứng dụng nghiên cứu hay giáo dục.
Eco Coulometer_Landing page
Economical coulometric Karl Fischer titrator for low moisture content analysis.
White paper: FOS/TAC Quotient for the optimization of methane production from biomass
Learn how to monintor the biogas fermenter in methane production using biomass as a renewable source of energy.
White paper: Multiparameter analysis in fertilizers – Fast and easy via thermometric titration
Learn how to determine the main components of fertilizers with thermometric titration (e.g. phosphate, potassium, sulfate, nitrogen, or urea).
White paper: Chuẩn độ thủ công và tự động: Lợi ích khi chuyển đổi
Tải về White Paper của chúng tôi để tìm hiểu thêm về những lợi ích của chuẩn độ tự động so với chuẩn độ thủ công..
Chuẩn độ Karl Fischer
Giải pháp hoàn hảo cho xác định hàm lượng nước bằng phương pháp chuẩn độ thể tích và điện lượng Karl Fischer: Thiết bị chuẩn độ, phụ kiện và các bí quyết từ nhà cung dẫn đầu thế giới.
Khuyến cáo của USP: Vượt qua chuẩn độ thủ công
USP đã công bố các khuyến nghị về cách chuyển đổi phương pháp chuẩn độ thủ công sang phương pháp chuẩn độ tự động để thử nghiệm khảo nghiệm dược phẩm. Tải xuống Sách trắng miễn phí của chúng tôi và tìm hiểu cách chuyển đổi các phương pháp chuẩn độ thủ công và hiện đại hóa thử nghiệm xét nghiệm dược phẩm của bạn.
ASTM D8192: Phân tích tự động độ cứng của nước
Tiêu chuẩn ASTM D8192 trình bày chuẩn độ trắc quang tự động để xác định độ cứng của nước. Sách trắng miễn phí mô tả việc xác định độ cứng tổng, canxi và magiê bằng cách sử dụng cảm biến quang học Optrode từ Metrohm để có các phép đo đáng tin cậy, chính xác và chính xác hơn so với chuẩn độ thủ công.
White paper: When HPLC fails: unleashing the potential of ion chromatography
HPLC is not suitable for analyses of standard ions or cations in water and various foods. For these analyses, ion chromatography (IC) is the method of choice.
Columns for IC
Ion chromatography columns from Metrohm include separation columns, guard columns, precolumns, trap columns, accessories for columns, and more.
6.6068.202
StabNet 2.x fullPC program for data handling and instrument control of stability measuring instruments. The software permits checks, data acquisition, evaluation and monitoring, as well as generating reports on stability measurements.Graphical user interface for routine operations, extensive database programs, method development, system configuration, very flexible user administration, extensive data export functions, individually configurable report generator.StabNet Full complies with the directives according to FDA 21 CFR Part 11.Dialog languages: German, EnglishThe following instruments are supported:892 Professional Rancimat; 893 Professional Biodiesel Rancimat; 895 Professional PVC Thermomat; 1 license for max. 4 stability measuring instruments on one PC.
6.6069.412
Vision 4.1Vision is the Metrohm software solution for method development and for controlling Metrohm XDS process instruments and B&W Tek instruments The user-friendly graphics analysis interface makes it easy to apply chemometric algorithms for creating identification, qualification, and quantification methods.
6.6072.208
Vision Air 2.0 CompleteVision Air - Universal spectroscopy software. Vision Air Complete is a modern and simple-to-operate software solution for use in a regulated environment.Overview of the advantages of Vision Air: Individual software applications with adapted user interfaces ensure intuitive and simple operation; Simple creation and maintenance of operating procedures; SQL database for secure and simple data management; The Vision Air Complete version (66072208) includes all applications for quality assurance using Vis-NIR spectroscopy: Application for instrument and data management; Application for method development; Application for routine analysis; Additional Vision Air Complete solutions: 66072207 (Vision Air Network Complete); 66072209 (Vision Air Pharma Complete); 66072210 (Vision Air Pharma Network Complete);
DropView 8400
DropView 8400 SoftwareDropView 8400 Software is advanced but highly user-friendly software running µStat 300, µStat 400, μStat-i 400s, μStat-i 400, µStat 4000P, µStat 4000, µStat 8000P, µStat 8000 and µStat ECL equipments, controlling all their different functionalities
6.6068.114
StabNet 1.x Update 2.x fullUpgrade of StabNet 1.0 or 1.1 (Full) to Stabnet 2.X Full.
6.6069.414
Vision Multi 4.1Vision is the Metrohm software solution for method development and for controlling Metrohm XDS process instruments and B&W Tek instruments.The user-friendly graphics analysis interface makes it easy to apply chemometric algorithms for creating identification, qualification, and quantification methods.Vision Multi contains 5 multi-user licenses and is the ideal solution for setting up a server-client network.
6.6072.207
Vision Air 2.0 Network CompleteVision Air - Universal spectroscopy software. Vision Air Network is a modern and simple-to-operate software solution. The network version enables the structuring of a global server-client network with a central database.Overview of the advantages of Vision Air: Individual software applications with adapted user interfaces ensure intuitive and simple operation; Centralized data and instrument management; Simple configuration and updating of several devices in just a few steps ; The Vision Air Network Complete version (66072207) contains all applications for quality assurance using Vis-NIR spectroscopy: Application for a global instrument and data management; Application for method development; Application for routine analysis;
DropView SPELEC
DropView SPELEC SoftwareDropView SPELEC is a Spectroelectrochemical software that controls SPELEC instrument, offering a perfect synchronization of the optical and electrochemical measurements, as well as advanced tools for data treatment.
6.6068.921
StabNet 2.x full DemoDemo version for StabNet. Test version for 30 days.
6.6069.413
Vision Pharma 4.1Vision is the Metrohm software solution for method development and for controlling Metrohm XDS process instruments and B&W Tek instruments in a regulated environment. The user-friendly graphics analysis interface makes it easy to apply chemometric algorithms for creating identification, qualification, and quantification methods.
6.00350.100
Separate Ag ring electrodeThis silver electrode must be used in combination with a reference electrode (c(KNO3) = 1 mol/L as reference electrolyte) and is suitable for precipitation titrations (titrant silver nitrate), e.g. of: chloride, bromide, iodide; sulfides; hydrogen sulfide; mercaptans; cyanides; The permanently fused-in silver ring is resistant to highly concentrated acids and saline solutions.
6.00430.100
Ag TitrodeCombined silver ring electrode with a pH glass membrane as reference electrode.This maintenance-free electrode is suitable for precipitation titrations when the pH value remains constant (titrant silver nitrate), for example of: chloride, bromide, iodide; sulfides; hydrogen sulfide; mercaptans; cyanides ; This electrode is stored in distilled water.Depending on the application, we recommend using an Ag Titrode with a coating (AgBr, AgCl or Ag2S coating), which can be ordered accordingly.
6.00450.100
Combined Ag ring electrodeCombined silver ring electrode with fixed ground-joint diaphragm.This electrode is suitable for precipitation titrations when the pH value varies (titrant silver nitrate) of, e.g.: Chloride, bromide, iodide; Sulfides; Hydrogen sulfide; Mercaptans; Cyanides; The fixed ground-joint diaphragm is insensitive to contamination and the permanently fused-in silver ring is resistant to more highly concentrated acids and saline solutions.c(KNO3) = 1 mol/L is used as reference electrolyte and storage solution. Depending on the application, we recommend using an Ag ring electrode with a coating (AgBr, AgCl or Ag2S coating), which can be ordered accordingly.
6.00450.300
Combined iAg-ring electrodeIntelligent, combined silver ring electrode with integrated memory chip for storing sensor data.This electrode is suitable for precipitation titrations when the pH value varies (titrant silver nitrate) of, e.g.: chloride, bromide, iodide; sulfides; hydrogen sulfide; mercaptans; cyanides; The fixed ground-joint diaphragm is insensitive to contamination and the permanently fused-in silver ring is resistant to more highly concentrated acids and saline solutions.c(KNO3) = 1 mol/L is used as reference electrolyte and storage solution.
DRP-110-U75
Screen-Printed Carbon ElectrodeScreen-Printed Carbon Electrode (Aux.:C; Ref.:Ag). Suitable for working with microvolumes, for decentralized assays or to develop specific sensors.
DRP-C110-U75
Screen-Printed Carbon Electrode / Work in SolutionScreen-Printed Carbon Electrode (Aux.:C; Ref.:Ag) / Work in Solution. Recommended for working in batch analysis.
DRP-150-U75
Screen-Printed Carbon Electrode (Aux.:Pt; Ref.:Ag)Screen-Printed Carbon Electrode (Aux.:Pt; Ref.:Ag). Suitable for working with microvolumes, for decentralized assays or to develop specific sensors.
DRP-220AT-U75
Screen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink ATScreen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink AT. Suitable for working with microvolumes, for decentralized assays or to develop specific sensors.
DRP-220BT-U75
Screen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink BTScreen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink BT. Suitable for working with microvolumes, for decentralized assays or to develop specific sensors.
DRP-C220AT-U75
Screen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink AT / Work in SolutionScreen-Printed Gold Electrode (Aux.:Au; Ref.:Ag) / Ink AT / Work in Solution. Recommended for working in batch analysis.
- 8 thg 3, 2021Tăng tính linh hoạt trong phân tích Sắc Ký Ion online với thiết bị 2060 IC
Bài đăng trên blog về Máy phân tích quy trình IC 2060 mới để giám sát công nghiệp theo thời gian thực.
- 31 thg 3, 2025Huỳnh Quang Tia X hoạt động ra sao?
Huỳnh quang tia X (XRF) là một kỹ thuật không phá hủy dùng để xác định và định lượng các nguyên tố trong chất rắn, chất lỏng và dạng bột. Tìm hiểu về XRF và cách hoạt động của nó trong bài viết blog này.
- 14 thg 7, 2025Thiết lập quang điện hóa đơn giản với cell đo trực quan, dễ sử dụng
Điện hóa quang phổ hiện nay dễ tiếp cận hơn nhờ các thiết bị SPELEC và cell thân thiện với người dùng, giúp đơn giản hóa việc thiết lập và xử lý dữ liệu để áp dụng rộng rãi hơn.
- 12 thg 5, 2025Tìm hiểu về linear sweep voltammetry và cyclic voltammetry
Bài blog này giải thích các nguyên lý, thông số chính và ứng dụng của hai kỹ thuật điện hóa phổ biến: linear sweep voltammetry và cyclic voltammetry.
- 12 thg 7, 2021Chuẩn độ axit-bazơ môi trường khan là gì? Những lỗi thường gặp và cách khắc phục của phương pháp
Trong bài viết này, tôi muốn tóm gọn lại các vấn đề thường gặp nhất khi thực hiện chuẩn độ axit-bazơ môi trường khan và thảo luận về cách khắc phục chúng. Một điểm quan trọng cần lưu ý là không có một giải giáp đơn lẻ nào liên quan đến làm thế nào thực hiện chuẩn độ axit-bazơ môi trường khan một cách đúng đắn. Một quy trình đúng chủ yếu phụ thuộc vào dung môi và dung dịch chuẩn độ được sử dụng.
- 6 thg 7, 2020Hướng dẫn sử dụng điện cực hiệu quả trong chuẩn độ
Blog về cách chọn điện cực phù hợp và cách bảo trì, vệ sinh và bảo quản điện cực.
- 14 thg 4, 2020Đo oxy hòa tan - Tầm quan trọng, tác nhân ảnh hưởng và cách xác định oxy hòa tan
Bạn có biết tại sao nước uống của bạn trở nên nhạt sau khi bạn để yên trong vài giờ không? Một trong những tác nhân chính đằng sau những thay đổi này là lượng oxy trong đồ uống của bạn. Bài viết này chia sẻ một số thông tin về ảnh hưởng (cả tích cực và tiêu cực) của oxy hòa tan trong chất lỏng, các thông số nào ảnh hưởng đến hàm lượng oxy hòa tan (DO), cũng như cách đánh giá chính xác nồng độ DO.
- 27 thg 1, 2020Tránh những lỗi thường gặp nhất trong phép đo pH
Tôi chắc chắn rằng bạn đã ít nhất một lần thực hiện đo pH vì đây là một trong những thông số quan trọng nhất trong hóa học phân tích. Trong bài viết này sẽ chia sẻ với bạn một số lỗi và sai lầm phổ biến nhất khi thực hiện các phép đo pH điện thế từ lựa chọn, chuẩn bị và bảo quản điện cực pH đến hiệu chuẩn. Đến cuối bài viết này, tôi chắc chắn rằng bạn sẽ đồng ý với tôi rằng: PHÉP ĐO PH THẬT DỄ DÀNG!
- 4 thg 6, 2025Tìm hiểu vai trò của pha động trong sắc ký ion
Bài viết này tập trung vào phần pha động trong tam giác đó, bằng cách thảo luận về vai trò của pha động trong IC, các loại pha động được sử dụng, và những điều cần lưu ý khi lựa chọn và chuẩn bị pha động cho ứng dụng cụ thể của bạn.
- 16 thg 3, 2020Thiết bị sắc ký ion Metrohm nâng cao năng suất và lợi nhuận trong phân tích môi trường.
Bản chất của các mẫu được đo trong các phòng thí nghiệm môi trường là cần phải chuẩn bị mẫu—lọc các mẫu luôn cần thiết và tốn nhiều thời gian, kinh phí. Thiết bị sắc ký ion Metrohm sẽ nâng cao năng suất và lợi nhuận trong phân tích môi trường, tiết kiệm ngân sách lẫn thời gian.
6.01034.410
Metrosep A Supp 19 - 100/4.0Outstanding separation properties and high-capacity – these are the things which clearly distinguish the Metrosep A Supp 19 product family from the rest of the column portfolio. It features best peak symmetries and selectivities as well as high thermal, mechanical and chemical stability, which makes it extremely robust and stable in the presence of higher flow rates and pressures.The shortest anion separation column of the Metrosep A Supp 19 product family is the 100 mm version – outstandingly suitable for simple applications that require rapid and robust analytics. With elevated flow, reliable determination of the standard anions is possible in less than 7 minutes. Even at these higher flow rates, the separation between fluoride and the injection peak is guaranteed. Short elution times permit a high sample throughput, which is particularly important for contract laboratories and in routine analysis. A further application area of the Metrosep A Supp 19 - 100/4.0 is the determination of analytes which usually have very late elution, e.g. perchlorate or citrate. Due to high flow rates and strong eluents, even analytes such as these can be determined in a very short time, thus rendering the entire analysis time-saving and efficient.
6.01034.420
Metrosep A Supp 19 - 150/4.0Outstanding separation properties and high-capacity – these are the things which clearly distinguish the Metrosep A Supp 19 product family from the rest of the column portfolio. It features best peak symmetries and selectivities as well as high thermal, mechanical and chemical stability, which makes it extremely robust and stable in the presence of higher flow rates and pressures.The 150 mm version is considered the standard column for anion chromatography, as it reliably solves the lion's share of applications and is very versatile in its use. Thanks to its high capacity, the Metrosep A Supp 19 - 150/4.0 separation column is particularly well suited even for complex applications with sophisticated matrices. The range of applications of the Metrosep A Supp 19 - 150/4.0 is very versatile, thanks to its outstanding separation properties and comprises the following applications, for example:Determination of standard anions (fluoride, chloride, nitrite, bromide, nitrate, phosphate and sulfate) in a wide variety of water samples;; Determination of standard anions and organic acids in complex sample matrices, e.g. environmental or food samples;; Determination of standard anions and organic acids in boiler feed water to ensure the safe operation of power plants;; Determination of standard anions in pharmaceutical samples.;
6.01034.430
Metrosep A Supp 19 - 250/4.0Outstanding separation properties and high-capacity – these are the things which clearly distinguish the Metrosep A Supp 19 product family from the rest of the column portfolio. It features best peak symmetries and selectivities as well as high thermal, mechanical and chemical stability, which makes it extremely robust and stable in the presence of higher flow rates and pressures.With the longest of the columns, i.e. the 250 mm version, the portfolio of the Metrosep A Supp 19 product family is rounded out to include a high-performance separation column. The exceptionally stable packaging ensures that the separation column will enjoy a long service life. With its unsurpassed separating efficiency, it is suitable for even the most complex application challenges. This means that the possible usages of this anion separation column greatly exceed the standard applications.Thanks to the extremely high capacity of this separation column, combined with its outstanding plate counts, even the most demanding sample matrices are easily mastered with the Metrosep A Supp 19 - 250/4.0.The separation column can also be readily used for gradient applications to further optimize the separation, as for example for the determination of organic acids of low molecular weight.
6.1006.520
Metrosep A Supp 5 - 150/4.0The 150 mm version of the Metrosep A Supp 5 is distinguished by its very good separation properties. High plate numbers and excellent peak symmetries facilitate working in the lower µg/L range. The particle size of 5 µm makes a decisive contribution to the separating efficiency of this column. The Metrosep A Supp 5 - 150/4.0 offers the optimum combination of selectivity and capacity, with which even complex separation tasks can be solved within a short time. This property makes the Metrosep A Supp 5 - 150/4.0 one of the best universally applicable standard IC columns.
6.01034.500
Metrosep A Supp 19 Guard/4.0The Metrosep A Supp 19 Guard/4.0 reliably protects the anion separation columns of the Metrosep A Supp 19 product family against contaminations from the sample or eluent and thus prolong their service life significantly. The guard columns and separation columns of the Metrosep A Supp 19 product family are made of PEEK and filled with the same material. This ensures that the chromatographic separating efficiency is not restricted in any way. The "On Column Guard System" makes it possible to screw the guard column onto the anion separation column directly and conveniently. The economical price and simple handling make the Metrosep A Supp 19 Guard/4.0 the ideal protection for the separation column.
6.1006.550
Metrosep A Supp 5 - 50/4.0The Metrosep A Supp 5 - 50/4.0 separates the seven standard anions in less than 6 minutes. Even fluoride is still separated from the injection peak and can be integrated perfectly. Like all columns in the A Supp 5 product range, the column based on a polyvinyl alcohol polymer is characterized by high plate numbers and therefore by outstanding separating efficiency. The Metrosep A Supp 5 - 50/4.0 is the column of choice when simple separation tasks need to be solved in a short time – and that without having to sacrifice very low limits of detection.
6.1006.510
Metrosep A Supp 5 - 100/4.0The Metrosep A Supp 5 - 100/4.0 allows highly efficient, rapid separations. This property makes the Metrosep A Supp 5 - 100/4.0 the standard column for short analysis times and the determination of anions which elute late (e.g., perchlorate).
6.1006.530
Metrosep A Supp 5 - 250/4.0The high-performance separation column from Metrohm with an extremely high number of plates for the most demanding separation tasks. Even complex separation problems can be solved easily and reproducibly with the Metrosep A Supp 5 - 250/4.0. The high capacity of the column allows, for example, the detection of 1 µg/L bromate along with 150 mg/L chloride without sample preparation. The range of applications possible with this column far exceeds the detection of standard anions. The Metrosep A Supp 5 - 250/4.0 is the column of choice when it comes to reliable monitoring of the high purity standards in the semiconductor industry or of the boiler feed water of power plants.
6.1006.220
Metrosep A Supp 5 - 150/2.0The Metrosep A Supp 5 - 150 in the Microbore version is distinguished for its excellent separation properties. The particle size of 5 µm makes a decisive contribution to the separating efficiency of this column. The Metrosep A Supp 5 - 150/2.0 offers the optimum combination of selectivity and capacity, with which even complex separation tasks can be solved within a short time. The 2 mm Metrosep A Supp 5 separation columns are packed with the same material as the corresponding 4 mm separation columns. The 150 mm version of this column type is used for universal applications at low eluent consumption.With its low eluent flow, this column is particularly suitable for IC-MS coupling.
6.1006.230
Metrosep A Supp 5 - 250/2.0The Metrosep A Supp 5 - 250/2.0 is the microbore high-performance separation column with which even complex separation problems can be solved easily and reproducibly. The range of applications possible with this column far exceeds the detection of standard anions. The Metrosep A Supp 5 - 250/2.0 is used wherever maximum separating efficiency must be combined with both the lowest of detection limits and low eluent consumption.With its low eluent flow, this column is particularly suitable for IC-MS coupling.
BWT-840000961
Raman Video Micro-Sampling System (785 nm)Video microscope sampling system for use with B&W Tek's lab and industrial Raman probes. Includes a 20x objective at a working distance of 16 mm. Offers manual rough and fine adjustment on the X, Y, and Z-axes, coaxial LED illuminator for target alignment, video camera for sample observation, and is compatible with standard microscope objectives. Probe not included, available separately. 785 nm configuration.BAC151C-785
DRP-CAST
μStat Cable connector for Screen-Printed ElectrodesConnects any DropSens equipment with DropSens Screen-Printed Electrodes
DRP-CNFSOL-1ML
Carbon Nanofibres SolutionCarbon Nanofibres Solution produced via the catalytic carbon vapour deposition process. The manufacturing processes provide a highly graphitized material without amorphous carbon – Available in 1.0 mL and 5.0 mL.
DRP-FLWCL
Flow Cell for Screen-Printed ElectrodesMethacrylate wall-jet Flow-Cell for FIA. Suitable to be used with standard format Screen-Printed Electrodes with the electrochemical cell in the middle of the strip. Closing system with powerful magnets Fittings included.
EC.Raman.Battery
Metrohm Hyphenated EC-Raman Battery SolutionAn Autolab modular PGSTAT302N with an Electrochemical Impedance Spectroscopy (EIS) module installed and a B&W Tek i-Raman Plus 532 H System are the foundation of this system. Depending on your cell size and design you can add either a B&W Tek Raman Video Micro-Sampling System (532 nm), or the B&W Tek Raman Probe Holder.Get ready to track age-induced structural changes, electrolyte decomposition, and solid electrolyte interphase (SEI) formation with your EC-Raman Battery Solution.It is easy to get started, see instant results, all with an instrument you can upgrade as your research progresses.• Two editable hyphenated EC-Raman procedures for the NOVA software as well as the BWSpec software for extended data analysis.• An electrochemical workstation with high accuracy EIS.• Future-proof your research with the ability to add up to 7 additional modules post-installation.Choose, depending on your cell size, either a B&W Tek Raman Video Microsampling System (532 nm), or the B&W Tek Raman Probe Holder. B&W Tek Raman Video Microsampling System (532 nm) can accommodate cells up 30 mm high.B&W Tek Raman Probe Holder can accommodate large battery-dedicated EC-Raman cells.
BWT-840000395
Raman Probe HolderProbe holder for use with B&W Tek's lab-grade Raman probes. Provides manual coarse and fine XYZ adjustments.
DRP-BICAST
μStat Cable connector for Dual Screen-Printed ElectrodesConnects any DropSens equipment with DropSens Dual Screen-Printed Electrodes
DRP-CNTSOL-0.5ML
-COOH funcionalized Multi-Walled Carbon Nanotubes SolutionCarbon nanotubes are produced via CVD and purified to remove free amorphous carbon deposits and catalyst metallic particles. They are functionalized with -COOH groups - Available in 1.0 mL and 5.0 mL.
EC.Raman.Corrosion.Explorer
Metrohm Hyphenated EC-Raman Explorer Corrosion SolutionIncludes an Autolab modular PGSTAT302N with an Electrochemical Impedance Spectroscopy (EIS) module installed, a B&W Tek i-Raman Plus 532 H System, a B&W Tek Raman Video Microsampling System (532 nm) and an Autolab Trigger cable.Ready when you are, the EC-Raman Explorer Corrosion Solution is easy to use. Get started quickly with a versatile potentiostat/galvanostat that can be expanded as your research develops.• Two editable hyphenated EC-Raman procedures for the NOVA software as well as the BWSpec software for extended data analysis.• An electrochemical workstation with high accuracy EIS.• Future-proof your research with the ability to add up to 7 additional modules post-installation.• 532 nm laser excitation for higher Raman signal• Visual surface inspection with the microsampling system
BWT-840000609
Enclosure for Raman sampling systemEnclosure for Raman sampling system (i.e. microscope, probe holder) used to eliminate direct ocular and/or skin exposure from the laser emission. The enclosure is ergonomically designed to facilitate sample loading and system operation. For use with 532, 785 and 1064 nm wavelengths.
- Dịch vụ chất lượng Metrohm
Phạm vi dịch vụ của chúng tôi: từ tư vấn, hỗ trợ ứng dụng và đào tạo đến bảo trì phòng ngừa, dịch vụ sửa chữa, v.v.
- Add-on Services
Metrohm offers a range of additional services that can be acquired either separatly or as an add-on to our Metrohm Service Agreements.
- Hỗ trợ ứng dụng
Kỹ năng ứng dụng là một thành phần chính để sử dụng thiết bị của bạn với đầy đủ tính năng của nó. Tại Metrohm chúng tôi rất sẵn lòng chia sẻ kinh nghiệm của chúng tôi với bạn và để cung cấp cho bạn một loạt các tài liệu và dịch vụ.
- Hỗ trợ & Dịch vụ...Hỗ trợ & Dịch vụ
Information on Metrohm Service Agreements, Quality Service, Consulting, Installation Service, Application Support, Training, Preventive Maintenance, and Repair Service, and Warranties.
- Lắp đặt
Sự lắp đặt và hoạt động đúng của một thiết bị mới là điều rất quan trọng để đảm bảo chất lượng của kết quả phân tích. Lợi ích từ kinh nghiệm và lựa chọn mức độ dịch vụ lắp đặt bao gồm các tài liệu phù hợp với nhu cầu của bạn.
- Chuyên gia Metrohm luôn bên cạnh bạn
Dịch vụ chất lượng Metrohm sẽ đơn giản hóa công việc hằng ngày của bạn trong phòng thí nghiệm, làm cho nó trở nên an toàn và hơn hết là dễ dự đoán.
- Dịch vụ thẩm định của Metrohm
We tailor our qualification approach to your environment and requirements, focusing on what is essential based on your risk assessment. This ensures your system gets exactly what it needs for maximum efficiency in the qualification process.
- Thỏa thuận dịch vụ Metrohm
Metrohm cung cấp thỏa thuận dịch vụ mới: Gói cơ bản và nâng cao cho bảo trì phòng ngừa, bao gồm phiên bản tuân thủ và không tuân thủ theo môi trường quy định. Tin tưởng vào hiệu năng thiết bị Metrohm của bạn trong nhiều năm tới!
- Tư vấn
Kỹ sư ứng dụng Metrohm sẵn lòng giải quyết các vấn để có thể xuất hiện trong vòng đời thiết bị Metrohm của bạn - từ khi đưa ra quyết định đầu tư thiết bị đến khi thay thế một thiết bị mới.
- Request Service & Support
- 16 thg 9Laboratory 4.0: Weighing meets Titration
Join this free webinar to explore how smart integration and automation can take your lab to the next level of efficiency. The presenters will showcase how the seamless integration of the Sartorius Cubis® II balance with the OMNIS analytical platform from Metrohm can streamline workflows from sample preparation to data integrity, helping you meet regulatory requirements while boosting productivity.
- 30 thg 9Localized Electrochemical Techniques: Overview and applications
This webinar provides an overview of the theory of localized electrochemical techniques with a focus on Scanning Electrochemical Microscopy (SECM), Scanning Droplet Cell technique (SDC), and Scanning Electrochemical Cell Microscopy (SECCM). Exemplary applications from different fields in electrochemistry, including electrocatalysis, corrosion research, and sensors, will be highlighted.
- 26 thg 4, 2022Metrohm DropSens presents a multi-channel instrument to boost user experience
Metrohm DropSens presents µStat-i MultiX for flexible, free, and advanced electrochemical analysis. This instrument is dedicated to multi-user and multi-disciplinary laboratory research teams who look for a solution that covers their current and future needs.
- 1 thg 5, 2023Sản xuất chất bán dẫn
Metrohm hân hạnh giới thiệu đến quý khách bản tổng quan miễn phí về các phương pháp phân tích được sử dụng để giám sát các thông số QC quan trọng trong sản xuất chất bán dẫn.
- 17 thg 7, 2025New Metrohm distributor in Israel
Metrohm International Headquarters is pleased to announce that with immediate effect, Israel Scientific Instruments Ltd. (ISI) becomes the official distributor of Metrohm products and services in Israel.
- 14 thg 2, 2025New Regional Support Center for West, Central, and East Africa
Metrohm Central Africa Ltd. provides application, technical, and service support for customers in West, Central, and East Africa.
- 9 thg 6, 2025OMNIS thiết lập những cột mốc mới
Hệ thống mạng client/server hỗ trợ lên đến 1000 thiết bị đầu cuối, khả năng làm việc ngoại tuyến trong 96 giờ với tính năng đồng bộ dữ liệu tự động lên máy chủ, cùng với khả năng sử dụng dịch vụ đám mây của Amazon và Microsoft để lưu trữ OMNIS – đó là những tính năng nổi bật nhất của phiên bản mới nhất của OMNIS, hệ thống quản lý dữ liệu phân tích từ Metrohm.
- 3 thg 6, 2024Launch of 2060 VA/CVS Process Analyzer
Metrohm Process Analytics launches an online VA/CVS analyzer for trace metal and organic additives analysis.
- 15 thg 4, 2024Giới thiệu thiết bị mới – 2060 XRF Process Analyzer
Metrohm Process Analytics giới thiệu thiết bị mới 2060 XRF Process Analyzer được thiết kế cho mục đích tối ưu hóa phân tích online và tăng cường giám sát quá trình.
- 9 thg 4, 2024Ra mắt Thiết Bị OMNIS NIRS
Với OMNIS NIRS, nền tảng phổ biến cho phân tích hóa học của Metrohm ngày càng trở nên mạnh mẽ hơn: Ngoài tất cả các biến thể chuẩn độ, quang phổ cận hồng ngoại với tất cả các ưu điểm của nó giờ đây cũng có sẵn trong OMNIS.
- 9 thg 4, 2024OMNIS Coulometer and Sample Robot Oven launched
With the launch of the OMNIS Coulometer, users of OMNIS have now the complete scope of titration methods at their disposal: pH measurement, potentiometric, photometric, and thermometric titration, volumetric Karl Fischer titration, and coulometry for water determination in the trace level range.
- 18 thg 3, 2024Launch of 2060 Raman Analyzer
Metrohm Process Analytics launches an online Raman analyzer for process monitoring and optimization.
- 8.874.50028.874.5002Brochure: 874 USB Oven Sample Processor
Automatic thermal sample preparation for Karl Fischer titration. User benefits of the 874 USB Oven Sample Processor:The 874 USB Oven Sample Processor is simply connected to the USB port of a computer and is automatically recognized.; Use your own sample vessels. The oven and the rack can be adjusted to different sample vials.; An 800 Dosino can be connected directly to the MSB port of the 874 USB Oven Sample Processorand used with a Dosing Unit for automatic replacement of the reagent.; The optimum oven temperature for every sample can be determined with the temperature gradient.; A heated transfer tube ensures that the moisture is completely transferred to the titration cell.;
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- 8.105.80448.105.8044Release Notes – Vision 4.1
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- 8.000.52568.000.5256Poster: Overview – OMNIS platform
OMNIS – The titration platform for more performance in your laboratory. OMNIS is the answer to the increasing requirements in everyday laboratory operations. This brochure provides an overview of the OMNIS analyzers.
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- 8.929.50058.929.5005Brochure: DS2500 Analyzer – Boosting efficiency in the QC laboratory with Near-Infrared Spectroscopy (NIRS)
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Ngôn ngữ khác
- 8.0929.80018.0929.8001Manual DS2500 Liquid Analyzer
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Ngôn ngữ khác
- 400000068-M400000068-MBrochure: B&W Tek's Portable Raman Product Line
This brochure introduces B&W Tek's Portable Raman Product Line.
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- 400000093-B400000093-BProduct Overview: B&W Tek Instrument and Analysis Software
This brochure gives you an overview about B&W Tek Instrument and Analysis Software.
- 400000243-B400000243-BDatasheet: Carbon Raman Analyzer
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- 400000375-A400000375-ANanoRam® Series Product Line Chart: Handheld Raman for Raw Material Identification and Verification
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- 400000398-A400000398-AB&W Tek Portable Raman Product Comptability Chart
This chart gives an overview of the full i-Raman series portable Raman porduct line, and the sampling accssories that can be used with the systems. It includes the many options that can be configured with the systems to work with different samples and in different measurement environments.
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