Results 41 to 50 of about 208,364 (208)

Preliminary Study on Treatment of Contaminated Groundwater from the Taylorville Gasifier Site [PDF]

open access: yes, 1988
Groundwater and soil at the site of an abandoned coal gasification plant in Taylorville, Illinois have been contaminated with compounds associated with coal conversion process waters.
Meuller, Paul A.   +2 more
core  

Fused silica capillary interferometer with a layer-by-layer functional coating for the analysis of chemicals content in aqueous solutions [PDF]

open access: yes, 2010
A simple fused silica capillary interferometric (FSCI) sensor has been proposed and investigated for the detection and analysis of multiple chemical compounds content in aqueous solutions.
Brambilla, Gilberto   +6 more
core   +1 more source

The Effect Analysis of Carrier Gas Flow Rate on the Rapid Gas Chromatographic Separation System

open access: yesApplied Bionics and Biomechanics, 2020
Odor pollution did not only disturb the human normal life but also aroused the attention of environmental researchers and environmental protection departments.
Xu Zhang   +3 more
doaj   +1 more source

Amino Acid Analysis by Capillary Gas Chromatography

open access: yesJournal of AOAC INTERNATIONAL, 1987
Abstract Two developments have enabled major advancements in the use of capillary gas chromatography (GC), the result being its much more widespread use in investigations on a broad range of chemical and biological problems. The 2 technological developments were the introduction of fused silica capillary columns and the development of ...
R W, Zumwalt   +4 more
openaire   +2 more sources

The effect of ethanol on cortisol metabolism in man : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Biochemistry at Massey University. [PDF]

open access: yes, 1979
Methods were developed for the estimation of human plasma cortisol by radioimmunoassay and urinary 6β-hydroxycortisol (6βOHF) by colorimetry after separation by thin layer chromatography (TLC).
Evans, Pandora Carlyon
core  

Monoaromatic compounds in ambient air of various cities: A focus on correlations between the xylenes and ethylbenzene [PDF]

open access: yes, 2001
Speciation of o-xylene, m-xylene, p-xylene and ethylbenzene was performed by gas chromatography from ambient air and liquid fuel samples collected at various locations in 19 cities in Europe, Asia and South America.
Avino, P   +5 more
core   +1 more source

Identification of isomeric unsaturated medium-chain dicarboxylic acids in human urine.

open access: yesJournal of Lipid Research, 1989
Dicarboxylic aciduria caused by enhanced or inhibited fatty acid metabolism is usually described as increased urinary excretion of saturated medium-chain dicarboxylic acids, such as adipic, suberic, and sebacic acids.
S J Jin, K Y Tserng
doaj   +1 more source

Determination of the chemical composition of tea by chromatographic methods: a review [PDF]

open access: yes, 2015
Despite the fact that mankind has been drinking tea for more than 5000 years, its chemical composition has been studied only in recent decades. These studies are primarily carried out using chromatographic methods.
Combet, Emilie   +3 more
core   +1 more source

Determination of cocaine in brazilian paper currency by capillary gas chromatography/mass spectrometry

open access: yesQuímica Nova, 2007
The presence of illicit drugs such as cocaine and marijuana in US paper currency is very well demonstrated. However, there is no published study describing the presence of cocaine and/or other illicit drugs in Brazilian paper currency.
Enrico Di Donato   +2 more
doaj   +1 more source

Development of Gas-Chromatographic Method for Simultaneous Determination of Cannabinoids and Terpenes in Hemp

open access: yesMolecules, 2020
An original gas chromatographic method has been developed for simultaneous determination of major terpenes and cannabinoids in plant samples and their extracts. The main issues to be addressed were the large differences in polarity and volatility between
Jure Zekič, Mitja Križman
doaj   +1 more source

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