## Millipore Corp, USA A sanitary static seal for the fixed end of a chromatography column is described. The seal is in the form of an "L" or a "U" to form a seal against at least one major surface of the frit or screens and also the outside diameter. This design prevents any bypass and the potent
Seal for a liquid chromatography column
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 253 KB
- Volume
- 2002
- Category
- Article
- ISSN
- 1350-4789
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Side view of seal mounted in pump head of high-pressure pump, with prior art on the left and the seal described in WO 2004/048823 on the right.
A new principle and method have been developed for producing a high-efficiency WCOT column by forming a polyimide capillary tube of l-5 pm wall thickness inside a supporting glass capillary (tube-in-tube system). This polyimide layer is chemically resistant, heat-proof (up to 450Β°C) and mechanically
## Abstract A comparison is made between a flat bottom column terminator and a cone terminator on. 1.27 cm O.D. and 2.54 cm O.D. columns. The cone terminator results in a doubling of the column efficiency, is simple and inexpensive, and is universally adaptable to any diameter column.