Trap Columns

Trap column for removal of carbonate traces in hydroxide eluents.

Trap column for removal of borate contaminants from eluents.

High-capacity cation column, which is used to purify the eluent flow. Even reagents of the highest quality level, e.g. "Ultrapur" or "puriss," can still contain minimal cation contaminations. These are reliably held back by the Metrosep C Trap 1 - 100/4.0. Should these cationic contaminants elute at a later time, there will be practically no further noticeable influence on the baseline.

The Metrosep I Trap 1 - 100/4.0 column is used to eliminate ionic, i.e. cationic and anionic, contaminants from aqueous solutions. Its use is especially recommended for the purification of the transfer water in combination with "MISP" or "Metrohm Inline Sample Preparation." Using the Metrosep I Trap 1 - 100/4.0 column can significantly reduce the influence of the transfer water on the system blank.

Trap column for removal of organic contamination in the eluent.

The Metrosep RP Trap 1 - 50/4.0 column is used to eliminate organic contaminants from the eluent. The Metrosep RP Trap 1 - 50/4.0 column helps avoid eluentrelated interference at the baseline, especially with gradient systems. Its use is also recommended for the purification of the p-cyanophenol eluent of the Metrosep Dual 4 separation columns.

The Metrosep A Trap 1 - 100/4.0 is a high capacity anion column, which is used to purify the eluent flow. Even reagents of the highest quality, e.g. "ultrapure" or "puriss." can still contain minimal anionic contaminants. These are reliably held back by the Metrosep A Trap 1 - 100/4.0. Should these anionic contaminants elute at a later time, there will be practically no further noticeable influence on the baseline, due to the enormous peak widening.

This column is primarily used with gradient applications.