Metrics of separation performance in chromatography: Part 2. Separation performance of a heating ramp in temperature-programmed gas chromatography

2012 ◽  
Vol 1244 ◽  
pp. 148-160 ◽  
Author(s):  
Leonid M. Blumberg
Keyword(s):  
Gas Chromatography ◽  
Separation Performance ◽  
Temperature Programmed

Chemical Composition of Technical Chlordane

1976 ◽  
Vol 59 (3) ◽  
pp. 696-702 ◽  
Author(s):  
William P Cochrane ◽  
Roy Greenhalgh
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Gas Chromatography Mass Spectrometry ◽  
Electron Capture Detection ◽  
Organochlorine Insecticide ◽  
Flame Ionization Detection ◽  
Reference Standard ◽  
Peak Overlap ◽  
Flame Ionization ◽  
Temperature Programmed

Abstract Technical chlordane, a multicomponent organochlorine insecticide, was separated into 26 peaks by temperature-programmed gas chromatography, using a 3% OV-17 column. Peaks were identified by using combined gas chromatography-mass spectrometry (GLC-MS) and, where individual standards were available, by comparing retention times on various columns. Technical chlordane constituents were also investigated by GLC-MS, using a Dexsil 300 column; 19–20 peaks were observed. Quantitation studies indicated differences in the per cent contributions of the constituents, particularly for heptachlor and trans-chlordane, in 2 different technical chlordane reference standards. For the same reference standard higher results were obtained by using 63Ni electron capture detection than by using flame ionization detection. By using a combination of 4 GLC columns to overcome peak overlap, we determined that the 11 known constitutents of technical chlordane constituted approximately 40%.

Separation performance of p-nitro-octadecyloxy-calix[8]arene as stationary phases for capillary gas chromatography

2020 ◽  
Vol 157 ◽  
pp. 105124
Author(s):  
Xiaomin Shuai ◽  
Zhiqiang Cai ◽  
Yujie Chen ◽  
Xinyu Zhao ◽  
Qianqian Song ◽  
...  
Keyword(s):  
Gas Chromatography ◽  
Capillary Gas Chromatography ◽  
Stationary Phases ◽  
Separation Performance

Differentiation Between Natural Hydrocarbons and Low Level Diesel Oil Contamination in Cooked Lobster Meat

1975 ◽  
Vol 32 (2) ◽  
pp. 316-320 ◽  
Author(s):  
M. Paradis ◽  
R. G. Ackman
Keyword(s):  
Gas Chromatography ◽  
Column Chromatography ◽  
Lipid Extraction ◽  
Diesel Oil ◽  
Extraction Column ◽  
Oil Contamination ◽  
Low Level ◽  
Total Lipid Extraction ◽  
Temperature Programmed ◽  
Normal Background

A combination of total lipid extraction, column chromatography, and temperature-programmed gas chromatography was required to demonstrate disputed low level diesel oil contamination in cooked lobster meat. A specific diesel oil contaminant was indicated but identifiable components were not greatly in excess of the same compounds which were also found to be a normal background in organoleptically acceptable canned lobster meat.

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