Results 1 to 10 of about 181,345 (233)
Separation of triglycerides by gas-liquid chromatography [PDF]
The parameters affecting the separation and quantification of triglycerides by gas-liquid chromatography have been investigated with the use of QF-1 and SE-30 as stationary phases and a flame ionization detector.The isothermal characteristics of a wide ...
Rodney Watts, R. Dils
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Gas–liquid chromatography of hyocholic acid
Partial derivatives of hyocholic acid were formed under the usual conditions for trifluoroacetylation of bile acids (trifluoroacetic anhydride, 35°C for 20 min).
Glen E. Mott+2 more
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Gas-liquid chromatography-mass spectrometry of synthetic ceramides
Two series of ceramides with either sphingosine (sphing-4-enine) or sphinganine as base and with one of the saturated fatty acids C16, C18, C20, C22, C24, C26, or oleic acid were analyzed as the 1,3-di-O-trimethylsilyl ether derivatives by gas ...
Bengt Samuelsson, Karin Samuelsson
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Improved conditions for gas-liquid chromatography of triglycerides
Improved conditions for gas-liquid chromatography of triglycerides are reported. Triglycerides of bovine colostrum and rapeseed oil have been analyzed under these conditions.
A. Kuksis, W.C. Breckenridge
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Chemical components analysis of handmade alcoholic beverages with special focus on psychoactive drugs as adulterants [PDF]
Handmade alcoholic beverages are produced in clandestine laboratories. There are reports concerning the of counterfeit alcoholic beverages adulterated with psychoactive drugs.
Morvarid Sadat Miri+3 more
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Bis(trimethylsilyl)acetamide in the silylation of lipolysis products for gas-liquid chromatography
When bis(trimethylsilyl)acetamide is used to silylate lipolysates for gas-liquid chromatography, the pyridine solution containing the sample and silylating agent can be injected directly onto the column.
W.H. Tallent, R. Kleiman
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Determination of Chloramphenicol by Gas-Liquid Chromatography
Convenient gas-liquid chromatographic methods for the analysis of chloramphenicols have been described. A mixture of chloramphenicol and its acetates was completely separated and identified. For estimation, pharmaceuticals or plasma was extracted with appropriate solvent and chromatographed directly without extensive treatment utilizing hydrogen flame ...
Magobei Yamamoto+2 more
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Food, drugs, dyes, extracts, and minerals are all made up of complex elements, and utilizing unidimensional chromatography to separate them is inefficient and insensitive.
Ruhul Amin+6 more
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Vinegars are natural products manufactured by two-step fermentation. One of the most famous is balsamic vinegar, especially that produced in Modena, Italy. Its unique production process positively distinguishes it from other vinegars. There are basically
Michal Kašpar, Petr Česla
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Gas-liquid chromatography of adrenal cortical steroid hormones
Ilmar Merits
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