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Stainless steel water baffle and liquid-nitrogen cold trap

✍ Scribed by Veeco Instruments Incorporated NY; USA


Publisher
Elsevier Science
Year
1966
Tongue
English
Weight
379 KB
Volume
16
Category
Article
ISSN
0042-207X

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## Abstract 5 ml air samples from 1.6 l stainless steel canisters were cryogenically preconcentrated before gas chromatographic separation on a thick‐film capillary using a home‐made cryotrap. Quantification in the 10–500 ppt range was carried out with an electron capture detector. Problems during