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141
Monitoring of the Gasoline Oxygenate MTBE and BTEX Compounds in Groundwater in Catalonia (Northeast Spain)
Published 2002-01-01“…Headspace (HS) gas chromatography with flame ionisation detection (HS-GC-FID) and purge and trap (P) gas chromatography-mass spectrometry (P) were used for the determination of methyl-tert-butyl ether (MTBE) and benzene, toluene, and xylenes (BTEX) in groundwater. …”
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142
Characterization and Assessment of Flavor Compounds and Some Allergens in Three Iranian Rice Cultivars during Gelatinization Process by HS-SPME/GC-MS
Published 2012-01-01“…A combined gas chromatography mass spectrometry with headspace solid-phase microextraction method has been utilized for the analysis of the flavor volatiles of three different rice cultivars including two modified Iranian rice cultivars and Hashemi rice cultivar during gelatinization. …”
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143
Source rock characterization of the Dingo Claystone, Barrow Sub-basin, Australia – Influence of contamination on geochemical analyses
Published 2025-03-01“…Geochemical data obtained from Rock-Eval pyrolysis and gas chromatography (GC) of extracted organic matter were integrated for source rock characterization and the construction of burial history and hydrocarbon generation in the Dingo Claystone. …”
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144
Differences in pyrolysis behavior and volatiles of tar-rich coal with various origins
Published 2025-04-01“…The pyrolysis behavior and the molecular structure evolution were analyzed through thermogravimetric, Fourier transform infrared spectroscopy, gas chromatography, and gas chromatography-mass spectrometer. …”
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145
Adsorption Properties and Structure of Some Active Carbons
Published 1993-03-01“…Gas chromatography has been used to determine the initial low-coverage heats of adsorption of C2–C6 hydrocarbons and their derivatives on active carbon and graphitized carbon black. …”
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146
Soybean Oil-Quality Variants Identified by Large-Scale Mutagenesis
Published 2012-01-01“…To identify genetic variation for fatty acid composition in mature soybean seeds, 4566 M3 generation seed samples from a chemically mutagenized population were subjected to fatty acid profiling by gas chromatography. In the population, a wide range of variation in the content for each of the five major fatty acids was observed. …”
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147
Molecular Distributions of Soluble Oxidation Products from Coals Characterized by Mass Spectrometers
Published 2018-01-01“…The oxidation products were characterized by using gas chromatography/mass spectrometry and direct analysis in real-time mass spectrometry. …”
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148
Optimization of the Process for Defatting Sea Cucumber Powder by Supercritical CO2 Extraction and Its Effect on Volatile Flavor Compounds
Published 2025-02-01“…The fatty acid composition of the sea cucumber powder before and after extraction as well as that in the supercritical CO2 extract were detected using gas chromatography, and supercritical CO2 extraction of volatile flavor substances was investigated using headspace-gas chromatography-ion migration spectroscopy (HS-GC-IMS). …”
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149
Chemical Composition and Antioxidant and Antimicrobial Activities of Wormwood (Artemisia absinthium L.) Essential Oils and Phenolics
Published 2015-01-01“…The essential oil composition variability of A. absinthium L. aerial parts collected from four different Tunisian regions was assessed by gas chromatography (GC/FID) and by gas chromatography mass spectrometry (GC/MS). …”
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150
Analysis of geothermal impact on metabolite compounds of heat-tolerant plant species using clustering and similarity cliff
Published 2024-10-01“…A total of 343 chemical compounds were discovered in medicinal plants from the geothermal areas through the use of gas chromatography-mass spectroscopy, indicating a significant diversity. …”
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151
Preparation, Characterisation and Application of Metal-Doped Carbons for Hydrogen Cyanide Removal
Published 2002-11-01“…The filtration performance of these materials was assessed against HCN using inverse gas chromatography. The performance was affected both by the selection of metals and the conditions used in the production of the carbon. …”
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152
Adsorption Properties of Silica with Chemically Bonded Amino and Guanidino Groups
Published 1997-04-01“…The influence of the non-homogeneity of the silica support and the nature and amount of modifier employed on the adsorption properties of materials with chemically bonded amino and guanidino groups was studied by means of gas chromatography (GC), adsorption measurements under static conditions and IR spectroscopy. …”
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153
FATTY ACID COMPOSITION AND ANTIOXIDANT ACTIVITY OF CAMELLIA NINHII SEED OIL COLLECTED IN LAM DONG PROVINCE
Published 2022-03-01“…The seed oil of Camellia ninhii was studied for the first time on its fatty acid composition by gas chromatography-mass spectrometry (GC-MS) and antioxidant activity by the DPPH method. …”
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154
Pyrolysis of Table Sugar
Published 2013-01-01“…The composition of bio-oils extracted with diethyl ether was identified by means of gas chromatography mass spectrometry (GC-MS), nuclear magnetic resonance (1H-NMR), and Fourier transform infrared spectroscopy (FTIR). …”
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155
Determination of Pesticide Residues in Cannabis Smoke
Published 2013-01-01“…Smoke generated from the smoking devices was condensed in tandem chilled gas traps and analyzed with gas chromatography-mass spectrometry (GC-MS). Recoveries of residues were as high as 69.5% depending on the device used and the component investigated, suggesting that the potential of pesticide and chemical residue exposures to cannabis users is substantial and may pose a significant toxicological threat in the absence of adequate regulatory frameworks.…”
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156
Epoxidation of cyclopentene by a low cost and environmentally friendly bicarbonate/peroxide/manganese system
Published 2018-02-01“…Effects of parameters such as type and amount of solvent, ratio of hydrogen peroxide and manganese sulfate to cyclopentene, presence of additives, and reaction time and temperature on the selectivity to cyclopentene oxide were evaluated. Gas chromatography was used to quantify residual cyclopentene and produced cyclopentene oxide using the internal standard method. …”
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157
Elastic Module Study of the Radial Section of Guadua angustifolia Kunth Variety Bicolor
Published 2014-01-01“…Silicone polymer compounds were identified by gas chromatography/mass spectroscopy.…”
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158
Study on the Effect of Electrochemical Dechlorination Reduction of Hexachlorobenzene Using Different Cathodes
Published 2014-01-01“…In order to investigate the degradation law of HCB, a RuO2/Ti material was used as the anode, meanwhile, zinc, stainless steel, graphite, and RuO2/Ti were used as the cathode, respectively. The gas chromatography (GC) was used to analyze the electrochemical products of HCB on different cathodes. …”
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159
Carcinogenic and Genotoxicity of some PAHs in commonly consumed smoked fish (<i>Parachanna obscura</i> and <i>Ethmalosa fimbriata) </i>
Published 2019-08-01“…Identification and quantitative analysis of PAHs components were achieved by Gas Chromatography/High Performance Liquid Chromatography. …”
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160
KHẢO SÁT SỰ HẤP THU HÓA CHẤT BẢO VỆ THỰC VẬT BỞI MnO2 VÀ ỨNG DỤNG ĐỂ XÁC ĐỊNH DƯ LƯỢNG HÓA CHẤT BẢO VỆ THỰC VẬT HỌ CHLOR TRONG MẪU NƯỚC BẰNG PHƯƠNG PHÁP GC-ECD...
Published 2013-12-01“…A method for the determination of organochlorine pesticides in the water samples by gas chromatography is described. The method consists of sorption of pesticides in water by Mn02 sorbent with a water: Chloroform (10:1, V/V) mixture. then the target compounds are desorbed with a acetone: n-hexane (3:1, V/V) mixture and final determination by GC-ECD. …”
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