Pushloop liquid sampling method

Details Pushloop liquid sampling method Pushloop liquid sampling method

1990-01-11

1990-09-18

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Analyzer supplier

7386372, 436180, G01N 114

Patent

active

049570099

ABSTRACT:
A pushloop liquid sampling method is an improvement in the method of introducing liquid samples into test equipment (such as for liquid chromotography) via a six port valve. The method involves pulling the sample completely past the sample loop in the six port valve and then pushing the desired amount of sample back into the sample loop.

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patent: 4007626 (1977-02-01), Roof et al.
patent: 4068528 (1978-01-01), Gundelfinger
patent: 4620452 (1986-11-01), Seki
patent: 4722830 (1988-02-01), Urie et al.

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