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Webinars (69)ProfIC 2 - Cation
"ProfIC 2 – Cation" – Professional IC System with Inline UltrafiltrationThe Professional IC system with Metrohm Inline Ultrafiltration and conductivity detection enables the fully automatic determination of cations or anions (non-suppressed). "ProfIC 2" enables the safe management of all routine tasks in ion chromatography. It is simple to use and exceptionally reliable. Schematic diagram
ProfIC 3 - Anion
"ProfIC 3 – Anion" – Professional IC System with Inline DialysisThe Professional IC system with Metrohm Inline Dialysis and conductivity detection enables the fully automatic determination of anions. Sophisticated analytic tasks in ion chromatography can be managed safely with the "ProfIC 3". Schematic diagram
ProfIC 3 - Cation
"ProfIC 3 – Cation" – Professional IC System with Inline DialysisThe Professional IC system with Metrohm Inline Dialysis and conductivity detection enables the fully automatic determination of cations or anions (non-suppressed). Sophisticated analytic tasks in ion chromatography can be managed safely with the "ProfIC 3". It is nonetheless simple to use and exceptionally reliable. Schematic diagram
ProfIC 4 - Anion
"ProfIC 4 – Anion" – Professional IC System with Inline DilutionThe Professional IC system with conductivity detection enables the fully automatic determination of anions in concentrated solutions. Samples can be analyzed with the "ProfIC 4" that have concentrations too high to be determined directly. Schematic diagram
ProfIC 4 - Cation
"ProfIC 4 – Cation" – Professional IC System with Inline DilutionThe Professional IC system with conductivity detection enables the fully automatic determination of cations or anions (non-suppressed) in concentrated solutions. Samples can be analyzed with the "ProfIC 4" that have concentrations too high to be determined directly. Schematic diagram
ProfIC 5 - Anion
"ProfIC 5 – Anion" – Professional IC System with variable sample preconcentrationThe Professional IC system with conductivity detection enables trace analysis of anions. With the "ProfIC 5", concentrations down to the lowest ppb range (µg/L) can be safely and accurately determined. The intelligent 800 Dosino takes over the high-precision preconcentration of the sample on the preconcentration column. This replaces the sample loop. Schematic diagram
ProfIC 5 - Cation
"ProfIC 5 – Cation" – Professional IC System with variable sample preconcentrationThe Professional IC system with conductivity detection enables trace analysis of cations or anions (non-suppressed). With the "ProfIC 5", concentrations down to the lowest ppb range (µg/L) can be safely and accurately determined. The intelligent 800 Dosino takes over the high-precision preconcentration of the sample on the preconcentration column. This replaces the sample loop. Schematic diagram
ProfIC 6 - Anion
"ProfIC 6 – Anion" – Professional IC System with Inline Dilution and Inline UltrafiltrationThe professional IC system with conductivity detection enables the fully automatic determination of anions that are present in very high concentrations and whose matrix contains particles. The "ProfIC 6" works with Metrohm Inline Dilution and Inline Ultrafiltration. With this system, it is possible to dilute the sample prior to the removal of bacteria or particles to such an extent that it can be analyzed. Schematic diagram
ProfIC 6 - Cation
"ProfIC 6 – Cation" – Professional IC System with Inline Dilution and Inline UltrafiltrationThe Professional IC system with Metrohm Inline Ultrafiltration and conductivity detection enables the fully automatic determination of cations or anions (non-suppressed) that are present in very high concentrations and the matrix of which contains particles. The "ProfIC 6" works with Metrohm Inline Dilution and Inline Ultrafiltration. With this system, it is possible to free the sample of bacteria or inorganic particles and then to dilute it to such an extent that it can be analyzed. Schematic diagram
ProfIC 7 - Anion
"ProfIC 7 – Anion" – Professional IC System with Inline Dilution and DialysisThe professional IC system with conductivity detection enables the fully automatic determination of anions that are present in very high concentrations and in a problematic matrix. Emulsions, samples containing fats and proteins or heavily contaminated waste waters are not always compatible with ion chromatography, even after upstream filtration. That is why "ProfIC 7" is equipped with the Metrohm-patented Inline Dialysis (European Patent 0 820 804, US Patent 5,861,097). Schematic diagram
- AN-H-026AN-H-026Determination of causticizer, carbonate and aluminum oxide in Bayer process liquor
This Application Note describes a method for the determination of causticizer, carbonate and aluminum oxide in used Bayer process liquors. The method is based on processes that were developed by Watts-Utley and VanDalen-Ward.
- AN-H-027AN-H-027Determination of organic soda in Bayer aluminate liquors
Determination of total basicity of extractable organic compounds of acidic character in Bayer process refinery liquors.
- AN-H-028AN-H-028Standardization of 0.1 mol/L KOH in propan-2-ol
Standardization of 0.1 mol/L in propan-2-ol for use in applications for the determination of weakly acidic species in non-aqueous media.
- AN-H-030AN-H-030Determination of chlorite by direct titration with thiosulfate
Determination of chlorite by direct thermometric titration with standard sodium thiosulfate solution. The procedurewas applied originally to the determination of chlorite in hide treatment solutions.
- AN-H-031AN-H-031Determination of low levels of sulfate by barium chromate displacement
Determination of low levels of sulfate (to approximately 20mg/L SO42-) by thermometric titration.
- AN-H-032AN-H-032Standardization of ammonium ferrous sulfate solution
Standardization of 0.1 mol/L ammonium ferrous sulfate solution for use in thermometric titration of Cr(VI) solutions.
- AN-H-033AN-H-033Determination of low levels of chloride in water
Determination of low levels of chloride (to approximately 5 mg/L Cl-) by thermometric titration.
- AN-H-034AN-H-034Determination of calcium and magnesium in process samples
Determination of calcium and magnesium in process solutions.
- AN-H-035AN-H-035Phosphate in fertilizers – Rapid and reliable determination by thermometric titration
Phosphorus is a primary macronutrient for plants and is a constituent of DNA and adenosine triphosphate (ATP), which is involved in many biological processes requiring energy. In fertilizers, phosphorus is present in the form of phosphate, as the most accessible form of phosphorus for plants is dihydrogen phosphate. Knowledge of the phosphorus content helps to select the right fertilizer for the plants.Traditionally, phosphate is determined gravimetrically (a time consuming procedure) or spectrophotometrically (expensive instrumentation). In this Application Note, an alternative method is presented, where phosphate is determined by a precipitation titration with magnesium. Various solid and liquid NPK fertilizers with phosphorus contents between 6.5 and 17% were analyzed. The analysis by thermometric titration requires no sample preparation in case of liquid NPK fertilizers and only minimal sample preparation in case of solid NPK fertilizers. One determination takes about 5 minutes.
- AN-H-036AN-H-036Determination of free fatty acids (FFA) in olive oil
Determination of free fatty acids (FFA) in oils.
6.1446.040
Threaded stopper / M66.1446.060
Stopper / B-14/15 / M106.1446.080
Threaded stopper / M86.1446.090
Stopper / B-14/15 / M86.1446.100
PTFE stopper for 12 mL UV quartz sample vesselFor 6.2414.000 quartz sample vessel
6.1446.110
Thermometer stopper for UV quartz sample tube 12 mLFor 6.2401.010 Thermometer
6.1446.120
Stopper / S96.1446.130
Stopper / B-14/156.1446.140
Stopper for 5 mL UV quartz sample vesselFor 6.2414.010 quartz sample vessel
6.1446.150
Thermometer stopper for UV quartz sample tube 5 mLFor 6.2401.010 Thermometer