The preparation of charcoal porous layer open tabular (PLOT) columns, and their application to the separation of permanent gases and light hydrocarbons are reported. Two types of charcoal, coconut and darco charcoal, were used to prepare columns from fused silica capillaries. The performance of thes
Pesticide residue analysis by open tubular column gas chromatography: Trials, tribulations, and trends
โ Scribed by Onuska, F. I.
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 883 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0935-6304
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Two-dimensional gas chromatography with two capillary columns of different polarity (SP 2100 and OV 225) is used for pesticide residue analysis in food samples. By means of "live chromatography" applying pneumatic switching technique according to Deans, unequivocal identification of 57 organophospho
## Abstract Lubricating oil additives have been analyzed by supercritical fluid chromatography on open tubular and packed capillary columns. Carbon dioxide and modified carbon dioxide were used as mobile phases and detection was accomplished by flame ionization and micro UV. Rapid and efficient ana