Results 1 to 10 of about 181,345 (233)

Separation of triglycerides by gas-liquid chromatography [PDF]

open access: yesJournal of Lipid Research, 1968
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
doaj   +3 more sources

Gas–liquid chromatography of hyocholic acid

open access: yesJournal of Lipid Research, 1971
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
doaj   +3 more sources

Gas-liquid chromatography-mass spectrometry of synthetic ceramides

open access: hybridJournal of Lipid Research, 1969
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
doaj   +2 more sources

Improved conditions for gas-liquid chromatography of triglycerides

open access: hybridJournal of Lipid Research, 1966
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
doaj   +2 more sources

Chemical components analysis of handmade alcoholic beverages with special focus on psychoactive drugs as adulterants [PDF]

open access: yesMethodsX
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
doaj   +2 more sources

Bis(trimethylsilyl)acetamide in the silylation of lipolysis products for gas-liquid chromatography

open access: hybridJournal of Lipid Research, 1968
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
doaj   +2 more sources

Determination of Chloramphenicol by Gas-Liquid Chromatography

open access: bronzeChemical and Pharmaceutical Bulletin, 1967
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
openalex   +5 more sources

Multidimensional Chromatography and Its Applications in Food Products, Biological Samples and Toxin Products: A Comprehensive Review

open access: yesSeparations, 2022
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
doaj   +1 more source

Characterization of Balsamic Vinegars Using High-Performance Liquid Chromatography and Gas Chromatography

open access: yesApplied Sciences, 2022
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
doaj   +1 more source

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