Results 121 to 130 of about 94,683 (164)

Assay of diltiazem and deacetyldiltiazem by capillary gas chromatography

Journal of Chromatography B: Biomedical Sciences and Applications, 1987
A highly sensitive gas chromatographic method for the analysis of diltiazem and deacetyldiltiazem in plasma or serum is reported. After silylation with bis (trimethylsilyl) trifluoroacetamide, separation was obtained on a cross-linked fused-silica column and detection was by electron-capture. The minimum measurable concentrations were 3 and 1 ng/ml for
O, Grech-Belanger, E, Leboeuf, S, Langlois   +2 more
openaire   +2 more sources

Measurement of Tocainide in Serum by Capillary Gas Chromatography

Therapeutic Drug Monitoring, 1986
A rapid and simple analytical method is described for the determination of tocainide in serum using flame ionization capillary gas chromatography. Following a single extraction with chloroform, tocainide is quantitated on an OV-17 bonded fused silica column, utilizing orphenadrine as internal standard.
openaire   +2 more sources

A surface ionization detector for capillary gas chromatography

Chem. Commun., 2011
A novel surface ionization detector using a reducing quartz liner and a Mo emitter with a quartz enclosed internal heater for selective measurement of alkylamines by gas chromatography is designed and evaluated.
Weiwei, Li, Yafeng, Guan, Zheng, Shen, Dapeng, Wu   +3 more
openaire   +2 more sources

Determination of Urinary Succinylacetone by Capillary Gas Chromatography

Journal of Chromatographic Science, 1984
The average analytical recovery of succinylacetone added to urine and separated by capillary gas chromatography was 69% for solvent extraction and 72% for anion exchange separation. Treating succinylacetone with hydroxylamine hydrochloride at a pH of less than 5 caused formation of a derivative separated by capillary gas chromatography into two isomers:
M, Tuchman, C B, Whitley, M L, Ramnaraine, L D, Bowers, K D, Fregien, W, Krivit   +5 more
openaire   +2 more sources

Arsenic Speciation by Capillary Gas-Liquid Chromatography

Journal of Chromatographic Science, 1987
Specific environmentally significant arsenic compounds are determined by capillary gas-liquid chromatography. Inorganic (arsenite, arsenate) and organic (monomethylarsonate, dimethylarsinate) arsenicals are measured as the corresponding methylthioglycolate derivatives, which are simultaneously separated on wide-bore borosilicate glass and fused-silica ...
K, Dix, C J, Cappon, T Y, Toribara
openaire   +2 more sources

Determination of aflatoxins by capillary column gas chromatography

Journal of Chromatography A, 1988
Application de la CG a detection d'ionisation de flamme au dosage des aflatoxines B1, B2, G1 et G2. Mode operatoire. Les limites de detection sont de l'ordre de 2 ng pour les aflatoxines B et 4 ng pour les aflatoxines ...
T, Goto, M, Matsui, T, Kitsuwa
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Recognition of Crude Oils by Capillary Gas Chromatography

Nature, 1971
IN serious marine accidents involving oil pollution, the source of the oil is usually obvious, but on other occasions the offender often escapes undetected. In this communication, I propose a method of identifying the origin of spilled crude oil using capillary column gas chromatography.
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Capillary gas chromatography-mass spectrometry of ecdysteroids

Journal of Chromatography A, 1987
Fully trimethylsilylated ecdysteroids have been analysed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) using flexible fused-silica capillary columns. Best results were obtained using columns coated with cross-bonded apolar (OV-1 type) stationary phases.
R P, Evershed, J G, Mercer, H H, Rees
openaire   +2 more sources

Capillary gas chromatography

Journal of Chromatography A, 1996
  +4 more sources

Sandwiched capillary columns for gas chromatography

Journal of Chromatography A, 1968
A, Liberti, G, Nota, G, Goretti
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