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On-column injector for capillary gas chromatography

✍ Scribed by Wang, F. S.; Shanfield, H.; Zlatkis, A.

Book ID
127290636
Publisher
American Chemical Society
Year
1982
Tongue
English
Weight
360 KB
Volume
54
Category
Article
ISSN
0003-2700

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Capillary columns are widely used in gas chromatography (GC) because of their high resolving capacity. Split, splitless and on-column techniques are used to introduce the sample. A conventional vaporizing GC injector can easily be converted into a split/ splitless injector. However, it cannot be us

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## Abstract On‐column injection into a hot gas chromatograph oven involves the danger that the bottom part of the needle is warmed up above the boiling point of the solvent in the sample. Consequently parts of the sample are evaporated out of the needle instead of being introduced as a liquid into