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Which are typical solvents for storage of HPLC columns?

Typical storage solvents for KNAUER RP columns are methanol/water or acetonitrile/water depending on the storage time. Is it necessary to store them for a longer time RP columns should flushed with acetonitrile/water. The KNAUER NP columns are stored under heptane/dioxan. Only the amino phase makes an exception. Amino columns are flushed with isopropanol so that application either in RP- or in NP mode is possible without problems. These columns are marked with a red label on the quality certificate.

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Based in Berlin, KNAUER has been serving the sciences since 1962. We develop and manufacture scientific instruments of superior quality for liquid chromatography systems and components, including:

Analytical HPLC / UHPLC
Preparative HPLC
Fast protein liquid chromatography (FPLC)
Multi-Column Chromatography / SMB
Osmometry

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