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161
Differentiation and characterization of volatile compounds in five common milk powders using HS-GC-IMS, HS-SPME-GC–MS, and multivariate statistical approaches
Published 2025-01-01“…This study analysed and identified the flavor characteristics of five common types of milk powders in China, including yak milk powder, donkey milk powder, camel milk powder, goat milk powder, and cow milk powder, using Headspace-Gas Chromatography-Ion Mobility Spectrometry (HS-GC-IMS), Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry (HS-SPME-GC–MS), and multivariate statistical analysis. …”
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162
Transfer of Organochlorine Pesticide Residues during Household and Industrial Processing of Ginseng
Published 2020-01-01“…The determination of targeted pesticide residues in ginseng was done by gas chromatography-electron capture detector (GC-ECD), and the confirmation was done by gas chromatography-tandem mass spectrometer (GC-MS/MS). …”
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163
Recent Developments in the Speciation and Determination of Mercury Using Various Analytical Techniques
Published 2015-01-01“…This paper reviews the speciation and determination of mercury by various analytical techniques such as atomic absorption spectrometry, voltammetry, inductively coupled plasma techniques, spectrophotometry, spectrofluorometry, high performance liquid chromatography, and gas chromatography. Approximately 126 research papers on the speciation and determination of mercury by various analytical techniques published in international journals since 2013 are reviewed.…”
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164
Elucidating the Changes in Activated Carbon Pore Structure as a Result of -Butylbenzene Adsorption and its Desorption by Means of Supercritical Carbon Dioxide
Published 2001-05-01“…Inverse gas chromatography was applied to characterize the changes in pore structure of activated carbon samples (commercial, de-ashed, and de-ashed and oxidized) before and after the adsorption of tert -butylbenzene, and after its desorption by means of supercritical carbon dioxide. …”
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165
Comparative efficacy of plant derived extracts with the insecticide mospilan on two whitefly species Bemisia tabaci biotype B and Trialeurodes ricini
Published 2025-01-01“…The chemical compositions of HEs were identified using gas chromatography-mass spectrometry (GC-MS) and gas chromatography with flame-ionization detection (GC-FID) analysis. …”
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166
Chemical Composition, Antioxidant Activity, and Antifungal Effects of Essential Oil from Laurus nobilis L. Flowers Growing in Morocco
Published 2020-01-01“…The chemical composition of the obtained essential oil and chemotypes was determined using gas chromatography coupled with mass spectrometry (GC/MS) and gas chromatography with flame ionization detection (GC-FID). …”
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167
Canvas support impregnation materials and techniques: a study of Portuguese painting and its conservation issues
Published 2016-03-01“…This paper focuses on the study of oil based coating impregnations, applied in the past, on the reverse of Portuguese painting canvas supports.The scientific study of the impregnation materials found in the painting “The Knight of the Order of Malta” (18th century) was carried out on samples using several analytical techniques – Optical Microscopy (OM) under visible reflected and polarised light and ultraviolet fluorescence (UV); Gas chromatography mass spectrometry (GC-MS), Fourier transform Infrared spectroscopy (transmission and FTIR-ATR), and Scanning electron microscopy coupled with an energy dispersive X-ray spectroscopy (SEM-EDX) – in order to identify the materials and the techniques used in this practice.…”
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168
Contribution of Adsorption Phenomena to the Degradation Study of Marble Statues in the Archaeological Museum of Philippi, Greece
Published 2009-04-01“…The use of reversed-flow inverse gas chromatography (RF-IGC) has allowed the determination of important local physicochemical quantities relating to the influence of three light hydrocarbons, either in the presence or absence of sulphur dioxide. …”
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169
Chemical Composition of the Essential Oil of Cyperus Conglomeratus Rottb. from Iran
Published 2011-01-01“…The compositions of the essential oil from cyperus conglomerates were obtained by hydrodistillation and analyzed by GC/MS (Gas chromatography/mass spectrometry). Twenty seven compounds were identified. …”
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170
Removal of selected phthalates from aqueous solution by mesoporous-ordered carbon adsorbent
Published 2017-09-01“…Extracted samples were analyzed using gas chromatography coupled with mass spectrometry method. …”
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171
Fuzzy Algorithm for Power Transformer Diagnostics
Published 2013-01-01“…Many conventional DGA methods have been developed to interpret DGA results obtained from gas chromatography. Although these methods are widely used in the world, they sometimes fail to diagnose, especially when DGA results fall outside conventional methods codes or when more than one fault exist in the transformer. …”
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172
Characterization of flavor fingerprinting of red sufu during fermentation and the comparison of volatiles of typical products
Published 2019-12-01“…In this study, the volatile aroma analysis of Wangzhihe red sufu (WRS) from different fermentation stages and four typical red sufu products from different locations was carried out by gas chromatography-mass spectrometry (GC–MS), gas chromatography-mass spectrometry/olfactory (GC–MS/O), electronic nose (E-nose) and sensory evaluation. …”
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173
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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174
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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175
An IGC Study of the Role of Washing Procedures on the Adsorption Properties of Activated Carbons
Published 2007-04-01“…Inverse gas chromatography (IGC) was used to study the influence of different washing treatments (acid, basic and combined washings) on the adsorption properties of two different activated carbons (steam- and chemically-activated). …”
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176
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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177
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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178
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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179
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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180
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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