Purification and Analysis of Hempa by Chromatographic Techniques2
Autor: | Claude H. Schmidt, Andrew C. Terranova |
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Rok vydání: | 1967 |
Předmět: | |
Zdroj: | Journal of Economic Entomology. 60:1659-1663 |
ISSN: | 1938-291X 0022-0493 |
Popis: | Paper chromatography was of little value in determining the purity of hempa because of co-chromatography. Thin-layer chromatography in 8:2 benzene: ethanol on silica gel G successfully separated hempa from 7 contaminating materials. Also, gas chromatography on an 8-foot column of 6% (w/w) DEGS separated the 8 components present in a sample of C14-labeled hempa. The quantitation of the mass and radioactive responses was linear from 0.2 ng to at least 20 ng. |
Databáze: | OpenAIRE |
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