Column Finder

6.1005.210

The exclusion separation column for the determination of organic acids and weak mineral acids. The low capacity in comparison with the Metrosep Organic Acids - 250/7.8 (6.1005.200) allows the rapid separation of organic acids. This column is suitable primarily for small and medium concentrations in uncomplicated sample matrices.

6.1005.200

The Metrosep Organic Acids - 250/7.8 is a polymer-based cation exchanger column. It is the high-performance column for the determination of organic acids and for the solution of difficult and complex separation problems. In addition, carbonate (with inverse suppression), fluoride (hydrofluoric acid) and phosphate (phosphoric acid) can be determined along with organic acids. In comparison with the Hamilton PRP-X300 - 250/4.0, the Metrosep Organic Acids - 250/7.8 has greater capacity and enhanced selectivity.

6.1005.030

The Hamilton-PRP-X300 ion exclusion column is a cation exchanger column with low capacity. The combination of a polystyrene-divinylbenzene copolymer with sulfonic acid groups as ion exchanger is ideal for the solution of simple separation problems. This column features the possibility of determining the salts of organic acids, in particular the very sensitive determination of formate.

6.1050.450

The Metrosep C 4 - 50/4.0 is the shortest separation column in the Metrosep C 4 product range. With a capacity of 5 µmol (K+), it is particularly suitable for very rapid separations. The low capacity makes it possible to quickly analyze the earth alkaline metals with their delayed elution. Thanks to the short retention times, applications that, in terms of analysis duration, were previously possible only with an FIA system (Flow Injection Analysis system) can now be transferred over to ion chromatography.

6.1050.410

The 100 mm version of the Metrosep C 4 column is intended for rapid determinations of standard cations. Very short retention times are achieved; however the elution times of sodium and ammonium still differ by 25 s. When a special eluent is used, the six cations lithium, ammonium, sodium, calcium, magnesium and potassium can be determined in less than 5 minutes with the Metrosep C 4 - 100/4.0.

6.1050.420

The Metrosep C 4 - 150/4.0 is the universal standard column in cation analysis for accomplishing high separating efficiency in a short time. The Metrosep C 4 - 150/4.0 is the ideal separation column for the analysis of alkaline and earth alkaline metals in aqueous media.

6.1050.430

The Metrosep C 4 - 250/4.0 is the cation column with the greatest capacity in the C 4 series. It is predestined for applications which require the highest separating efficiency. Samples with extreme differences in concentrations can be analyzed reliably with this column. The performance capability of the column is demonstrated, for example, when analyzing feed water for which the requirement is the perfect quantification of 7 µg/L sodium in addition to 7 mg/L monoethanolamine (MEA). With the C 4 - 250/4.0, not only amines and transition metals, but also alkaline and alkaline earth metals can be determined in a single run.

6.1050.210

The short version of the Metrosep C 4 "Microbore" cation separation column with a 2 mm inner diameter is intended for rapid determinations of the standard cations. Very short retention times are achieved; however the elution times of sodium and ammonium still differ by 25 s. When a special eluent is used, the six cations lithium, ammonium, sodium, calcium, magnesium and potassium can be determined in less than 5 minutes with the Metrosep C 4 - 100/2.0. With its low eluent flow, this column is particularly suitable for IC-MS coupling.

6.1050.220

The Metrosep C 4 - 150/2.0 "Microbore" cation separation column is the universal standard column in cation analysis of "Microbore" separating columns. High separating efficiency in a short time. The Metrosep C 4 - 150/2.0 is the ideal separation column for the analysis of alkaline and earth alkaline metals in aqueous media. With its low eluent flow, this column is particularly suitable for IC-MS coupling.

6.1050.230

The Metrosep C 4 - 250/2.0 "Microbore" cation separation column is the cation column with the greatest capacity in the C 4 series with a 2 mm inner diameter. It is predestined for applications which require high separating efficiency. Samples with extreme differences in concentrations can be analyzed reliably with this column. The performance capability of the column is demonstrated, for example, when analyzing sodium traces in addition to monoethanolamine (MEA). With the C 4 - 250/2.0, not only amines and transition metals but also alkaline and alkaline earth metals can be determined in a single run. With its low eluent flow, this column is particularly suitable for IC-MS coupling.

6.1051.410

The 100 mm version of the Metrosep C 6 column is designed to determine standard cations, e.g. in drinking water. Excellent separation of sodium and ammonium is still achieved, despite the very short retention times. The higher capacity of the C 6 material permits larger sample volumes.

6.1051.420

The high-capacity C 6 material makes the Metrosep C 6 - 150/4.0 separation column the optimum solution for separating standard cations with high differences in concentration in conjunction with reasonable retention times. Drinking water with low ammonium contents can be determined with this column.

6.1051.430

The Metrosep C 6 - 250/4.0 is the cation column with the greatest capacity in the C 6 series. It is predestined for applications which require the highest separating efficiency. Samples with extreme differences in concentrations can be analyzed reliably with this column. The separation of sodium and ammonium is particularly outstanding here.

6.01051.210

The 100 mm version of the microbore Metrosep C 6 column is designed to determine standard cations, for example in drinking water. Short retention times are attained with a relatively good sodium/ammonium separation. The high capacity of the C 6 material permits larger sample volumes.The column is suitable for use in IC-MS coupling.

6.01051.220

The high-capacity C 6 material makes the microbore version of the Metrosep C 6 - 150/4.0 column the optimum solution for separating standard cations with high differences in concentration with reasonable retention times. Drinking water with low ammonium contents can be determined with this column.The column is suitable for use in IC-MS coupling.

6.01051.230

The Metrosep C 6 - 250/2.0 is the microbore cation column with the greatest capacity in the C 6 series. It is predestined for applications which require the highest separating efficiency. Samples with extreme differences in concentrations can be analyzed reliably with this column. The separation of sodium and ammonium is particularly outstanding here.The column is suitable for use in IC-MS coupling.

6.1010.410

The innovative substrate on a polyvinyl alcohol base increases selectivity for monovalent and divalent cations significantly. The peak forms on this cation column are highly symmetrical.The shortest separation column of the Metrosep-C-3 product range is particularly suitable for rapid separations of standard cations and for separating larger organic amines.

6.1010.420

The innovative substrate on a polyvinyl alcohol base increases selectivity for monovalent and divalent cations significantly. The peak forms on this cation column are highly symmetrical.The middle separation column of the Metrosep-C-3 product range is particularly suitable for rapid separations of standard cations and certain transition metal cations as well as for separating mid-sized organic amines.

6.1010.430

The innovative substrate on a polyvinyl alcohol base increases selectivity for monovalent and divalent cations significantly. A characteristic of this is the number of "theoretical plates per meter". On the Metrosep C 3 - 250/4.0, for example, 42,000 plates are achieved for sodium, 51,000 for ammonium, and 31,000 for barium with its delayed elution. The peak forms on this cation column are highly symmetrical.The selectivity of the Metrosep C 3 - 250/4.0 also permits the separation of transition metals. Because Metrohm ion chromatographs generally determine the cations without chemical suppression, the transition metals can be analyzed on the Metrosep C 3 - 250/4.0 together with the alkaline and earth alkaline metals.

6.1007.000

The Nucleosil 5SA - 125/4.0 IC cation column uses sulfonic acid groups for separating cations. With eluents containing organic acids and ethylenediamine, this column separates divalent cations such as magnesium and calcium as well as several transition metal elements (e.g., nickel, zinc, cobalt, manganese). The Nucleosil 5SA - 125/4.0 is therefore the inexpensive and robust separation column for the determination of transition metals by direct conductivity measurement without post-column reaction. In addition to high concentrations of alkaline metals, calcium and magnesium can be determined reliably. The column is suitable only for divalent cations. Monovalent cations elute practically simultaneously with the injection peak.

6.01053.410

The Metrosep C Supp 2 separation material is based on a polystyrene-divinylbenzene copolymer with carboxyl groups. It is suitable for the separation and determination of monovalent and divalent cations. The Metrosep C Supp 2 - 100/4.0 column is the shortest separation column in the Metrosep C Supp 2 product range. It is especially suitable for trace analysis of standard cations. Limits of quantification below the µg/L range are achieved thanks to the extremely low baseline noise following sequential suppression.

6.01053.420

The Metrosep C Supp 2 - 150/4.0 column is the standard separation column of the Metrosep C Supp 2 product range. It is suitable for the separation and determination of monovalent and divalent cations with an excellent sodium/ammonium separation. The Metrosep C Supp 2 separation material is based on a polystyrene-divinylbenzene copolymer with carboxyl groups. The column is used with sequential suppression. So it is particularly suitable for determining concentrations in the middle µg/L range and lower.

6.01053.430

The longest separation column in the Metrosep C Supp 2 product range is the Metrosep C Supp 2 - 250/4.0. The Metrosep C Supp 2 separation material is based on a polystyrene-divinylbenzene copolymer with carboxyl groups. Thanks to the optimized sodium/ammonium separation of this separation material, this column is perfectly suitable for determination of the smallest concentrations of ammonium in addition to a large amount of sodium. The column is used with sequential suppression. So it is particularly suitable for determining concentrations in the middle µg/L range and lower.

6.1052.410

The short version of the Metrosep C Supp 1 is used for the rapid determination of cations in the µg/L range with conductivity detection following sequential suppression.The baseline noise in cation analysis is improved by the suppression. This results in lower detection limits for the cations to be determined.

6.1052.420

The Metrosep C Supp 1 - 150/4.0 separation column is the column of choice for the determination of low concentrations of standard cations. Detection limits below a µg/L range are achieved due to low baseline noise after sequential suppression.

6.1052.430

The Metrosep C Supp 1 - 250/4.0 separation column is used for difficult separations of standard cations, some transition cations and amines in the low concentration range. Conductivity detection after sequential suppression allows low detection limits thanks to low baseline noise.

6.01070.420

The MetroSil RP 3 - 150/4.0 is a medium-capacity "Reversed Phase" column for universal applications that can be used not only with aqueous eluents, but also with aqueous samples. This property is especially important for applications in ion chromatography. The MetroSil RP 3 - 150/4.0 can be used to solve application problems that lie in the transition area between high-performance liquid chromatography and ion chromatography. The MetroSil RP 3 material is an "endcapped" C18 silica gel with a pore width of 120 angstroms.

6.4001.410

Separation column for the determination of amino acids by means of UV/VIS detection following PCR with ninhydrin at 120 °C. The Metrosep Amino Acids 1 - 100/4.0 is the standard separation column for amino acids. The column is based on a sulfonated polystyrene-divinylbenzene material. The determination of amino acids is accomplished by means of photometric detection following a post-column reaction with ninhydrin.The Metrosep Amino Acids 1 - 100/4.0 permits the separation of up to 44 amino acids in research and practice, including all naturally occurring amino acids.

6.01021.500

The Metrosep A Supp 4 Guard/4.0 reliably protects the Metrosep A Supp 4 - 250/4.0 anion columns against contamination from the sample or eluent.

6.01021.510

The Metrosep A Supp 4 S-Guard/4.0 reliably protects the Metrosep A Supp 4 IC anion columns against contamination from the sample or eluent.

6.01021.600

The Metrosep A Supp 4 Guard/2.0 reliably protects the Metrosep A Supp 4 - 250/2.0 anion columns against contamination from the sample or eluent.

6.01032.500

The Metrosep A Supp 17 Guard/4.0 reliably protects the Metrosep A Supp 17 analytical separation columns against contamination. Thanks to the "On Column Guard System", the guard column is very easy to handle. The guard column screws easily onto the analytical column. No tools are required.

6.01032.510

The Metrosep A Supp 17 S-Guard/4.0 reliably protects the Metrosep A Supp 17 analytical separation columns against contamination. The guard column is simply connected to the separation column using capillary connections. No tools are required.

6.01032.530

The Metrosep A Supp 17 S-Guard 50/4.0 reliably protects the Metrosep A Supp 17 analytical separation columns against contamination. The guard column is simply connected to the separation column using capillary connections. No tools are required.

6.01051.600

The Metrosep C 6 Guard/2.0 contains the C 6 column material and is used to protect against particles and contamination. This considerably lengthens the service life of the analytical separation column. The Metrosep C 6 Guard/2.0 works according to the "On Column Guard System" and is screwed directly onto the respective separation column with virtually no dead volume.

6.01053.500

The Metrosep C Supp 2 Guard/4.0 contains the C Supp 2 column material and is used to protect Metrosep C Supp 2 cation columns. Particles and contamination are reliably retained, considerably prolonging the service life of the analytical separation column. The Metrosep C Supp 2 Guard/4.0 also works based on the "On Column Guard System" and is screwed directly onto the separation column with virtually no dead volume.

6.01070.500

The MetroSil RP 3 Guard/4.0 is used to protect the MetroSil RP 3 - 150/4.0 against contaminations from particles and bacteria.

6.01090.600

The Metrosep Carb 2 Guard/2.0 microbore guard column effectively removes contaminations, thus protecting the analytical separation column. The design of the guard column has been selected in such a way that its influence on the chromatographic separation can be ignored.

6.1005.020

For protecting Hamilton PRP-X100 columns.The cartridge efficiently removes contamination in the form of particles due, for example, to the growth of bacteria or algae.

6.1005.250

The Metrosep Organic Acids Guard/4.6 effectively removes contamination, thus protecting the analytical separation column.

6.1005.340

The Metrosep A Supp 1 Guard/4.6 protects the Metrosep A Supp 1 - 250/4.6 separation column securely against contaminations from particles and bacteria.

6.1006.500

The Metrosep A Supp 5 Guard/4.0 reliably protects the Metrosep A Supp 5 and 7 IC anion columns against contamination from the sample or the eluent.It contains the same separation material as the Metrosep A Supp 5, is also made of PEEK, and is screwed directly onto the respective separation column with virtually no dead volume ("On Column Guard System"). The guard column prolongs the service life of the analytical column, with practically no influence on its chromatographic separating efficiency. The economical price and simple handling make using the A Supp 5 Guard/4.0 highly recommended.

6.1006.540

The Metrosep A Supp 5 S-Guard/4.0 reliably protects the Metrosep A Supp 5 and 7 IC anion columns against contaminations from the sample or eluent.

6.1006.600

The Metrosep A Supp 5 Guard/2.0 reliably protects the 2 mm versions of the Metrosep A Supp 5 and Metrosep A Supp 7 IC anion columns against contamination from the sample or eluent.It contains the same separation material as the Metrosep A Supp 5, is also made of PEEK, and is screwed directly onto the respective separation column with virtually no dead volume ("On Column Guard System"). The guard column prolongs the service life of the analytical column, with practically no influence on its chromatographic separating efficiency. The economical price and simple handling make using the A Supp 5 Guard/2.0 highly recommended.

6.1006.610

The Metrosep A Supp 5 S-Guard/2.0 reliably protects the 2 mm versions of the Metrosep A Supp 5 and Metrosep A Supp 7 IC anion columns against contamination from the sample or eluent.It contains the same separation material as the Metrosep A Supp 5, is also made of PEEK, and is connected directly onto the respective separation column via capillary connection. The guard column prolongs the service life of the analytical column, with practically no influence on its chromatographic separating efficiency. The economical price and simple handling make using the A Supp 5 S-Guard/2.0 highly recommended.

6.1007.110

For the protection of the Nucleosil 5SA - 125/4.0 analytic separation column. Requires the 6.2821.140 holder for connection to the analytic column.

6.1010.450

The Metrosep C 3 S-Guard/4.0 contains the C-3 column material and is used to protect Metrosep C-3 cation columns. Particles and contamination are reliably retained, considerably prolonging the service life of the analytical separation column. The Metrosep C 3 Guard/4.0 also works based on the "On Column Guard System" and is screwed directly onto the separation column with virtually no dead volume.

6.1010.460

The Metrosep C 3 S-Guard/4.0 contains the C-3 column material and is used to protect Metrosep C-3 cation columns. Particles and contamination are reliably retained, considerably prolonging the service life of the analytical separation column.