Results 41 to 50 of about 309,834 (147)

Directed Message-Passing Neural Networks for Gas Chromatography

Separations
In this paper, the directed message-passing neural network architecture is used to predict several quantities of interest in gas chromatography: retention times, Clarke-Glew 3-point thermodynamic parameters for simulation, and retention indices.
Daniel Struk, Rizky Ilhamsyah, Jean-Marie D. Dimandja, Peter J. Hesketh   +3 more
doaj   +1 more source

Duvatrienediols in cuticular wax of Burley tobacco leaves

Journal of Lipid Research, 1976
4, 8, 13-Duvatriene-1, 3-diol diastereoisomers have been identified in the cuticular wax of fresh Burley tobacco leaves. Their structures were determined by gas-liquid chromatography, mass spectrometry, and infrared and ultraviolet spectroscopy ...
S Y Chang, C Grunwald
doaj   +1 more source

Gas Chromatography of Meprobamate

Clinical Chemistry, 1967
Abstract Rapid detection and precise quantitation of meprobamate in biologic fluid has been accomplished using the gas chromatograph. The method described has proved useful in elvaluating patients intoxicated by this sedative.
R K, Maddock, H A, Bloomer
openaire   +2 more sources

ANALYSIS AND IDENTIFICATION SPIKING CHEMICAL COMPOUNDS RELATED TO CHEMICAL WEAPON CONVENTION IN UNKNOWN WATER SAMPLES USING GAS CHROMATOGRAPHY AND GAS CHROMATOGRAPHY ELECTRON IONIZATION MASS SPECTROMETRY

Indonesian Journal of Chemistry, 2010
The identification and analysis of chemical warfare agents and their degradation products is one of important component for the implementation of the convention.
Harry Budiman
doaj   +1 more source

Separation of organochlorsilanes by preparative gas chromatography

Тонкие химические технологии, 2013
The preparative gas chromatography method has been used for isolation and analysis of the organochlorsilanes isomers. The reaction of the organochlorsilanes with vapour of the water in the air has been studied.
G. N. Turkeltaub, E. A. Chernyshev
doaj  

Gas Chromatography: Historical Milestones of Development, Diagnostic Value, and Applicability in Medical Practice

Медицина и биотехнологии
Introduction. Chromatography technology has wide applications across many fields of science and industry. In medicine, chromatographic methods contribute to the successful diagnosis of diseases of both infectious and non-infectious etiology, as well as ...
Olga A. Kilovataya, Larisa M. Mosina, Irina E. Trokhina, Alexander S. Kislyaev   +3 more
doaj   +1 more source

Applications of Gas Chromatography and Gas Chromatography-Mass Spectrometry for the Determination of Illegal Drugs Used in Drink Spiking

Chemosensors
Drink spiking is a significant public safety issue, often linked to crimes such as theft and sexual assault. The detection of drugs used in these incidents is challenging due to the low concentrations (
Hesham Kisher, Oliver Gould, Kevin C. Honeychurch   +2 more
doaj   +1 more source

Characterisation of the Volatile Compounds and Key Odourants in Japanese Mandarins by Gas Chromatography–Mass Spectrometry and Gas Chromatography–Olfactometry

Separations
Japanese mandarins are becoming increasingly popular due to their pleasant aroma. The volatiles in four varieties of Japanese mandarins (Iyokan, Ponkan, Shiranui, and Unshiu mikan) were extracted by headspace solid-phase microextraction (HS-SPME) and ...
Lingyi Li, Rui Min Vivian Goh, Yunle Huang, Kim-Huey Ee, Aileen Pua, Daphne Tan, Shanbo Zhang, Lionel Jublot, Shao Quan Liu, Bin Yu   +9 more
doaj   +1 more source

Quantitative Aspects of Gas Chromatography

CHIMIA, 1963
R. S. Evans, R. P. W. Scott
doaj   +1 more source

Detection and quantification of phytosterols in yogurt using gas chromatography [PDF]

Bihdāsht-i Mavādd-i Ghaz̠āyī, 2019
Sterols form the largest proportion of the unsaponifiable fraction of lipids. Plant fats and oils contain phytosterol as naturally occurring constituents.
M. Jeddy, J. Khandaghi
doaj