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20540-U Supelco

PureCol Sleeve

for 4 mm I.D. columns, pkg of 10 ea

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Description

General description

When nonvolatiles accumulate in the column inlet, you must replace several inches of packing - or the entire column. A silanized glass PureCol sleeve, inserted in the column inlet, solves this problem simply and inexpensively. When column performance begins to deteriorate, you can quickly and conveniently replace the sleeve - often without removing the column from the instrument. Replacement time is comparable to replacing a septum. Replace the PureCol sleeve when you change the septum, or when you analyze a new type of sample. PureCol sleeves are available in two sizes. Use PureCol sleeves with a 2 in. (5 cm) 21-gauge or finer needle.

Other Notes

Fits any 4 mm I.D. glass column that has 7 cm of straight, unpacked inlet.

Price and Availability

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.

Documents

Certificate of Analysis

Protocols & Articles

Articles

Changing the GC Inlet Liner

No sample is perfectly clean and over time nonvolatile sample residues contaminate liners. As these contaminants accumulate they adversely affect chromatography by creating sites that lead to the abs...
Keywords: Absorption, Chromatography, Gas chromatography

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