gc/ms

Use the GC-MS technique to detect the product of catalytic hydrogenation, obtain the law of the catalytic properties.

Methods GC-MS was used to analyze main constituents of the volatile oil extracted by steam distillation.

This paper describes a capillary GC and GC-MS analytical method for the synthetic adamantane and its isomers.

Advanced analytic methods such as GC and GC-MS etc. are widely used for the determination of flavoring compositions in grape wine.

Release behavior of the volatile compounds in foamed plastics at different temperatures was studied by GC-MS in hyphenation.

The analysis of each product was performed by gas chromatography-mass spectrometry(GC-MS) system.

Methods The chemical components of Propolis(Gansu) extracts separated by Soxhlet extraction method were analyzed comparatively by GC-MS.

GC-MS-SIM procedure was described for the determination of the tetramine (TET) content in the biological samples.

Chemical methods and GC-MS methods are used in turn for analyzing the chemical components of chloroform and ethyl acetate extracts.

The essential oil was extracted by microwave-assisted radiation. Their chemical constituents and relative content were analyzed by GC-MS.

A new method for the quantification of volatile compounds in cider was developed using stir bar sorptive extraction(SBSE) followed by GC-MS.

In this experiment, GC and GC-MS methods was well constructed for the identification of organic phase extract from strawberry fruit.

Results The method was simple, quick and accurate for identifying adulteration in sesame oil combining GC - MS and national standard method.

Methods The essential oils in Cortex ailanthi were extracted with steam distillation, and its constituents were analysed with GC-MS.

The GC-MS analysis has been considered as the golden standard to be compared with.

Conclusion Gas chromatography-mass spectrometry combined with chemometric resolution method can greatly enhance the accuracy of. . .

Methods: The main compositions of volatile oil contained by every herb in prescription were followed up by GC MS.

Methods The chemical constituents in volatile oils from the husk of sorghum vulgare pers were analyzed By GC-MS-computer technology.

PCDDs and PCDFs were analyzed by high resolution GC-MS in two species of shellfish collected from southern coast of Korea.

Methods: The volatile oils were extracted by using steam distillation. The components were identified and separated with GC-MS.

Mass spectrometry, in particular, GC-MS (EI or CI mode) for single-sugar analysis already has several decades of history.

Macadamia oil was extracted and its fatty acid composition was analyzed by GC-MS.

Volatile oil constituents of dark green tea were analyzed by Gas Chromatograph-Mass Spectrometry(GC-MS).

Composition and monosaccharide content in the mushroom polysaccharide was analyzed by HPLC, GC and GC-MS.

Methods: The chemical compositions of Psidium Guajava L. leaf were analyzed and identified by GC-MS method.

In this paper, n-alkanes of extractable organic matter of airborne particulate samples, exhausted gas and smog dust were examined by GC-MS.

Objective To analyze the chemical components of the volatile oil in processed pieces of Fructus Aurantii (PPFA) by GC-MS.

the GC-MS method has high sensitivity and process was simple, but could not detect the unstable carbamate insecticides.

The Extraction and GC-MS Analysis of the Volatile Oil Constituents from Cassia tora L .

Methods: The chemical constituents of volatile oils obtained by two methods were analyzed by GC-MS.

METHOD In vitro susceptibility test on tuberculosis bacteria and GC-MS technique were used.

Methods After extracted and prepared by microwave equipment, the sample was analyzed by GC-MS.

METHODS The essential oil was extracted by steam distillation and analyzed by GC-MS technique.

The liquid products were detected by gas chromatograph-mass spectrometer (GC-MS).

The content variation of aroma in wine treated by high voltage pulse electric field was measured by GC-MS.

The organic pollutants in leachates from two municipal landfills (A and B) were determined by GC-MS.

Glucose turnover was decided by gas chromatograph mass spectrometer (GC-MS).

GC-MS was for the first time used for comparative and analysis of the oil which was extracted with different methods.

GC - MS Analysis of Organophosphorous Pesticide Remains in Guangxi Traditional Herb Picria fel-terrae Lour .

Methods: GC-MS was used to analyse seeds of Hippophae rhamnoides L. extracted by supercritical CO2.

The essential oil of the foliage from four Cupressus chenegiana populations distributed in Minjiang and Daduhe rivers was analyzed by GC-MS.

Methods: To comparatively study the lipophilic compounds by GC-MS in pummelo peel.

Finally, GC-MS verified the activity of nano inorganic Supported Mo catalyst.

Objective: To analyze the compounds of the oils from Swida wilsoniana'seeds with three methods by GC-MS.

Objective: To analyze the chemical components of the volatile oil from Fructus Aurantii by GC-MS.

Method: The chemical constituents were analyzed and identified by GC-MS.

The compositions and monosaccharide content in the Lycium Barbarum polysaccharide were analyzed by IR and GC-MS.

The aromatic components in Wuzi green tea were extracted by SPME and were analyzed by GC-MS.

The volatile oil from the fruits of Pyrus betulaefolia Bunge was abstracted by steam-stilling and analyzed by GC-MS method.

Good knowledge of GC & GCMS instruments and applications in Environmental and Food Safety industry.

Organic composition in leachate of waste landfill site was analyzed with method of GC-MS.

ObjectiveThe chemical components of the essential oil from Cnidium monnieri Cusson in Jiangsu were analyzed by GC-MS.

Methods The volatile oils compositions was detected with GC-MS.

Based on GC-MS analysis, realistic and coordinated roasted beef flavor was simulated using sensory analysis.

Methods The essential oil from Angelica dahurica was separated and analysed by GC-MS, and compared with Angelica dahurica from Sichuan.

A modified GC-MS method was developed in the comparison of fingerprints among fresh and dry herbs of H. cordata.

The applications of SPME-GC-MS on food flavor and safety were studied in the paper.

Methods The paper analyzes the chemical constituents of volatile oil in Huoxue Xiaoling Wan by GC-MS.

Using GC-MS, we detected the main absorbed compound in volatile oil from R. Acori.

Five years or more experiences in GC &GCMS is preferred.

Methods : To analyze and identificate the chemical constituents by GC-MS.

Determination of sitostanol in phytosterol samples by GC-MS was studied in the paper.

Results: The use of GC-MS could determine the major components of mineral oil in chicken's peptic after 56 days.

The FFA of ripened blue cheese was analyzed by using GC-MS.

13 kinds of polycyclic aromatic hydrocarbons (PAHs) in water of Lake Nansihu were determined by GC-MS with solid phase extraction method.

OBJECTIVE To study the fingerprints of different Fructus cnidii samples by GC and GC-MS.

Objective: To study volatile oil in Leonurus japonicus Houtt by GC-MS.

Adulteration detection method on edible oils by microwave-assisted derivatization and GC-MS coupled with calibration transformation matrix

Determination of the vaporous and particulate organic pollutants in the air of east Jinan with GC-MS

Application of GC-MS Combined with Kovats Retention Indices to Identify the Composition of Five Magnoliaceae Species in the Essential Oils

Determinations of Naphtha Content in Various Genera of Guangxi Zedoary and Its GC- MS Analyses

Separation flavor components from Yunnan tobacco extraction by molecular distillation and GC-MS analysis

Determination of Volatiles in Smoke-cured Beef and Mutton Using Solid Phase Extraction-Assisted Extraction Coupled with GC and GC-MS

Solid-Phase Extraction and GC-MS for the Determination of Semi- volatile Organism Compounds in the Daily Life Waste Water

Non-normal Alkane GC-MS Analysis of Condensate and Its Application in Petroleum Geology

Products Analysis in Diethyl Carbonate Preparation from Diethyl Oxalate by Gaseous Decarbonylation via GC-MS

Identification the Impurities of the Triethyl Phosphite by GC- MS and Study on the Technics of Synthesis

Identification and Quantification of Non-basic Nitrogen Compounds by Ammonia Chemical Ionization GC-MS

Analysis of the major components of root exudates released from several economic forest tree using GC-MS

Establishment of GC-MS method for the determination of plasma very long fatty acid and clinical application

Study of recognition of edible oils and waste edible oils in the restaurants by GC-MS

Determination of Fatty Acids in Shark Cartilage by GC-MS Using Microwave-Assisted Digestion and Derivatization

Determination of Fatty Acids in Plasma Sample by GC-MS Using Microwave-assisted Digestion and Derivatization

Organic Impurity Profiling of Illicit Methamphetamine Hydrochloride Crystal by GC-MS

Pyrolysis GC- MS study of chlorinated natural rubber

Determination of prometryne in vegetable samples by GC-MS using microwave-assisted extraction

Application of supercritical fluid extraction and GC-MS in analysis of modern lake sediments in antarctica

Determination of Glyphosate and Its Principal Metabolite Residues in Banana and Its Irriga-tion Water by GC-MS

Analysis of Volatile Flavour of Onions by Simultaneous Distillation and Extraction and Solid-Phase Microextraction Combined with GC-MS

Application Study of Analysis of Gas Concentration by GC-MS

Analysis for micro-organic pollutants in leachate before and affect biological treatment using GC-MS

GC-MS Analysis of the Products from Liquid Phase Oxidative Carbonylation of Phenol

Determination of Representative Aromatic Components in Different Breeds of Apple by GC - MS with Solid Phase Microextraction

Identification of counterfeit cigarettes by SPME-GC-MS fingerprint spectrum

Supercritical Carbon Dioxide Extraction of Essential Oil from Propolis of Mount Meng and Analysis by GC-MS

GC-MS Analysis of Organic Pollutants in Wastewater from Synthetic Fiber Manufacturers

Determination of Chemical Constituents of the Essential Oil from Cnidium By GC-MS

Analysis of Volatile Flavor Components of Scallion by Headspace Solid Phase Micro-extraction and GC-MS

analysis of chemical composition of volatile oil in cinnamomum camphora leaves and branches by gc - ms

Determination of perflurooctanoic acid and its salts in packaging materials using GC-MS

Method for the determination of chloramphenicol residues in honey-GC-MS method

GC-MS Analysis of Fruit Aroma Components of Two Apricot Cultivars

Comparison of Static Headspace and Headspace-SPME-GC-MS Methods for Tobacco Flavors Analysis

GC-MS analysis of chemical component of Oxytropis falcate Bunge extracted by petroleum ether

Methods of GC-MS and Capillary Gas Chromatography for Determining Trehalose in Plant Tissues

Quantitative and qualitative determination of taxol by GC-MS direct sampling system

Analysis on Composing of Fatty Acid of Seabuckthorn Fruit Oils by GC-MS and Determination of Linoleic Acid

Determination of Fatty Acids in Edible Oil by GC-MS using Microwave-Assisted Derivatization

Comparison of Volatile Oils from Citrus Bergamot Extracted by Different Methods with GC- MS

Component Comparison of Different Solvents Extracts from Polygonatum by GC-MS

Determination of Organic Pollutants in Leachates from Two Municipal Landfills by GC-MS

Application in Food Clenbuterol Poisoning of ELISA Screening and Confirmation by GC-MS

Methods: Using petroleum ether to distill the fatty oil and using GC-MS method to measure the component;

Volatilization Characteristics of Biomass by Flash Pyrolysis and GC-MS Analysis of Bio-oil

Application of GC-MS Fingerprint in Authenticating Cigarettes

Application and Update Progresses of GC-MS in Determination of Pesticide Residues

Pumpkin Seed Oil Extracted by Microwave Method and Analysis of the Fatty Acid by GC-MS

Analysis of Flavoring Compositions in Green Plum Fruit Fermenting Wine and in Green Plum Fruit Steeping Wine by GC-MS

GC-MS Analysis of Aroma Component Variation of Wine Treated by High Voltage Pulse Electric Field

Study on the Decomposed Products of Trichlorfon in Gas Chromatographic Analysis by GC-MS

The GC-MS Characteristics and Oil-source Correlation of Severely Biodegraded Oil

Analyses of organic pollutant components in leachate by combined GC-MS technique

Volatile chemical components in Radix Angelica Dahuricate by GC-MS and heuristic evolving latent projection

Analysis of organic pollutants in alkali straw pulp papermaking wastewater by GC-MS

Total Microanalysis of ratty Acids, Sterols and Free Amino Acids in Marine Microalgae by GC-MS

Identification of Fatty Acids and Other Volatile Components of Mulgedium tatarica by GC-MS Spectrometry

A study of identification for various wines by GC-MS

Study on improving sensitive about detecting chloramphenicol in GC-MS

Study on chemical component analyzed by GC-MS and antioxidation of star anise extracts

Comparison of propofol concentration monitoring in plasma with in whole blood by GC-MS

Determination of Main Chemical Composition in Hydrogenated Rosin by GC-MS

Rapid Determination of Multiple Pesticide Residues in Vegetables by GC-MS

Separation and Determination of Aromatic Amines in the Pigment Printing Paste by GC-MS

GC-MS Analysis of Volatile Oil of Pinus Needles in Different Place of Production of Sichuan

Determination of Semi-volatile Organic compounds in drink source water by GC-MS;

Component Analysis of Glycol Diester in Oleic Acid Glycol Diester Additive by GC-MS

Study on Quick Detecting Pesticides Multi-residue in Vegetables and Fruits by GC-MS

GC-MS Analysis of the Volatile Substance in Apple Pomace Spirit

Identification of the fumatory Radix Bupleuri with sulfur by static headspace GC-MS

Analysis of aroma components from sweet cherry by head- space solid phase microextraction coupled with GC-MS

Analysis of Flavoring Compositions in Chinese Date Wine by Capillary GC-MS

Analysis of the Oxidation of Cyclohexanone to Adipic Acid by GC-MS

Analysis of Fatty Acids and Other Liposoluble Components from the Pericarp of Garcinia mangostana L. By GC-MS

GC-MS analysis on the fatty oils of the Tibetan medicinal substance Herpetospermum

Evaluation on uncertainty of determination of dimethoate by GC-MS

Analysis of Aroma Constituents from Cut Tobacco of Cigarettes by SPME- GC- MS

Application of SPME-GC-MS in Analysis of Tobacco Headspace Components

GC-MS analysis of ether extracts from three species of Chaenomeles fruits

Using GC - MS to determine the residual dursban and accothion of farm product

Determination of Ractopamine Residues in Swine Muscle with GC-MS

Determination of organic acids in sulfur-acidified sludge with GC-MS

Fig. 1 GC-MS total ionic chromatogram of aroma, component in sweet cherry at different development stages

Using GC-MS to Analyze the Degradation of Phenol in Waste-water by Ultrasonic Wave

Determination of Chloramphenicol in Cosmetics by GC-MS

Rapid Determination of Aroma Components in Kiwifruit Wine by HS-SPME and GC-MS

The Application of Relative Retention Indices on GC-MS Analysis

Analysis of Captan and its Main Impurities by GC-MS

Separation and Determination of Aromatic Amines in Textile by GC-MS

Analysis of flavors in silver carp meat by headspace solid phase microextraction combined with GC-MS

GC-MS Analysis of Essential Oil Constituents from Rhizome and Root of Notopterygium forbesii

Application of SPME-GC-MS in the analysis of flavor constituents in Tobacco

GC-MS Analysis of Volatile Fragrance Components in Vinegar

Determination of chloramphenicol residues in pork by GC-MS

GC-MS Determination of Chemical Components in Pumpkin Seed Oil

Analysis on Condensation Products of Aniline with Acetone by GC-MS

Determination of Octachlorodipropyl Ether in Vegetables and Fruits with GC-MS

Determination of organotin compounds in textiles by GC-MS

Determination of aromatic amines in textiles via GC-MS method

Analytical Method for Pyrethrins in Natural Extracts by GC-MS

Study on the Carrier Gas Used in GC-MS Analysis

Analysis of volatile components from the flowers of Chrysanthemum morifolium by GC-MS with solid-phase microextraction

The Volatile Components in Outer and Inner Peel of Citrus Grandis by GC-MS

Application of GC-MS to Research of Mine Environment Science

Determination of Borneol in Compound Salvia Tablets by GC-MS

The standard test method for biomarker in sediment and crude oil by GC-MS

Study on the Biodegradation Mechanism of Pesticide by GC-MS

The effect of TTS-12 on ergosterol bio-synthetic pathway in Candida albicans determined quantitatively with GC-MS method

Research on the Aromatic Compounds of Pear Fruit by GC-MS with Solid Phase Microextraction

Volatile flavor components analysis of sesame seed oil by HS-GC-MS

Determination of Buprofezin and Triadimefon Residues in Cucumbers by GC-MS

Analysis of Fatty Acids in the Seeds of Sterculia lychnophora by GC-MS

Head-space Solid Phase Microextraction and GC-MS Analysis of Fragrance of Cucumber

Analysis of Tetramine and Fluoroacetamide by GC-MS

Analysis of estrogen residue in meat utilizing GC - MS

Determination of Residues of Pesticides in Tea and Rice by GC-MS

GC-MS Analysis on Volatile Component of Citrus Fruit Peel

Application of GC-MS to Organic Geochemistry

Determination of the Aniline In Water by GC-MS

Study on polybasic and higher fatty acids in hawthorn by GC-MS

Analysis of Volatile Oils in Rhizoma Curcumae by GC-MS

The use of thermal desorption-GC-MS in volatile flavor profiling of jinhua ham

Flammability Analysis of Diesel Vapor by GC-MS

analysis of waste gas of automobile using gc - ms

Study on GC-MS Simulated Distillation of Coal Tar

Analysis of fatty acid in Arctium lappa L. Seed oil by GC-MS

Pyrolysis GC-MS and Polymer Analysis

The application of GC-MS technology

Fatty acid analysis of soybean oil by GC - MS

A Study of GC-MS on the Determinon Method of Benzene etc 10 Kinds of Hazardous Substance in the air of Workplace

Study on fingerprint of volatile oil of Curcuma wenyujin by GC-MS

GC-MS Analysis of Fatty Acids in Hawthorn

Analysis of Fatty Acids in Grape Seeds by GC-MS

Analysis of flavors in voluariella volvacea by headspace solid phase microextraction combined with GC-MS

Analysis of Atrazine Technical and It's Impurities by GC-MS

Concentration of quinolinic acid in rat serum by GC-MS

Analysis of fat oil from Bolenggua seeds by GC-MS