Gas Chromatography (GC)
Applications of coupled gas chromatography atomic emission detection
... During the last thirty years or so there has been a rapid advance in the capabilities of instrumental techniques for the separation and identification of volatile organics. The development of capillary gas ...
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Method development for the quantitative determination of short chain fatty acids in microbial samples by solid phase extraction and gas chromatography with flame ionization detection
... Various separation techniques have been used to de- termine SCFA in biological fluids, the most widely used being gas chromatography (GC) (McGrath, Weir et al. 1992). By combining selective GC detectors, a ...
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Current analytical scope of Pyrolysis Gas chromatography
... a gas such as helium to the next instrument for ...with gas chromatography. In pyrolysis-gas chromatography (PyGC) the fragments generated by pyrolysis are passed through the GC for ...
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GAS CHROMATOGRAPHY MASS SPECTROMETRY ANALYSIS OF KYLLINGA TRICEPS
... (carrier gas: He) was set at 1.0 ml/min. In the gas chromatography part, temperature programme (oven temperature) was 40 o C raised to 250 o C at 5 o C / min and injection volume was 1 micro ...
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Pharmaceutical Applications of Gas Chromatography
... One of the major disadvantages of GC is that it is applicable only for volatile compounds or compounds that can be made volatile by chemical modification at a temperature with which it decomposes. When an unknown mixture ...
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Identification of stigmasterol by preparative thin-layer chromatography, infrared, gas chromatography–mass spectrometry analysis, and antioxidant properties of Cenchrus ciliaris L.
... thin-layer chromatography, infrared spectra, and gas chromatography–mass spectrometry analysis, and antioxidant properties estimated in terms of peroxidase, catalases, polyphenol oxidase, superoxide ...
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DETERMINATION OF RESIDUAL SOLVENTS IN PAROXETINE BY HEADSPACE GAS CHROMATOGRAPHY
... Gas chromatography is generally used to determine residual solvents due to its excellent separation abilities and low limit of ...In gas chromatography, the sample is either dissolved in a ...
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Resistive heating for multidimensional gas chromatography
... carrier gas flow rate and the temperature of analysis can be achieved using software control without the need for changing column ...carrier gas flow rate can be used to increase the speed of analysis, ...
327
High resolution gas chromatography for analysis of plant extracts
... Multiplexed 2GC × GC is achieved by using contra-directional modulation, where two parallel first-dimension columns are installed contra-directionally in the GC × GC modulator as shown in Figure 4.1. 2GC × GC analyses ...
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Analysis of Temperature Rise in a Car Parked ...
... using Gas chromatography-Mass spectrometry (GC-MS).Gas chromatography-mass spectrometry (GC-MS) is an analytical method which is a combination of the features of gas ...
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The Characteristics of Ambient Gases Pollutant, South Korea
... method, gas chromatography-flame ionization detector (GC- FID) and High performance liquid chromatography were applied to conduct three days continuous measurements in areas of Gunsan city, South ...
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Vol 71, No 1 (2019)
... by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS), and n-alkane C27 was detected as the principal component of leaf epicuticular waxes in the majority of the examined ...
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Biological activities and volatile constituents of Daucus muricatus L. from Algeria
... Results: The chemical composition of essential oils obtained by hydrodistillation (HD) was investigated using Gas Chromatography – Retention Indices (GC-RI) and GC – Mass Spectrometry (GC-MS). Two types of ...
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Volatile Components in the Flower, Pedicellate Ovary and Aqueous Residue of Cymbidium sp (ORCHIDACEAE)
... with gas chromatography-mass spectrometry (GC/MS), for the identification and relative quan- tification of various substances in three samples from the orchid (flower, pedicellate ovary and aqueous ...
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Pharmacokinetics and pharmacodynamics of nitroglycerin and aspirin
... AA arachidonic acid ASA acetylsalicylic acid, aspirin AUC area under the plasma concentration-time curve GA gentisic acid GC gas chromatography GC-MS gas chromatography - mass spectromet[r] ...
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“Chromatographic Analysis of Phytopharmaceuticals – A Review” by Aruna M. Garud, Varsha M. Jadhav, Vilasrao J. Kadam, India.
... Gas chromatography (GC), also called as gas liquid chromatography (GLC), is a technique for separation of mixtures into components by a process which depends on the redistribution of the ...
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Oxidation of dibenzothiophene (DBT) by Serratia marcescens UCP 1549 formed biphenyl as final product
... GC: Gas chromatography; GC – MS: Gas chromatography – mass spectrometry; h: hours; HBP: Hidroxybifenil; HCl: Hydrochloric acid; HDS: Hydrodesulfurizing; LB: Luria Bertani; Li: Lithium; LN: ...
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Analytical Techniques for Identification and Quantification of Polycyclic Aromatic Hydrocarbons
... include gas chromatography coupled with flame ionization detectior (GC/FID), gas chromatography coupled with a mass spectrometry (GC/MS), high performance liquid chromatography (HPLC) ...
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Optimized Method to Analyze Rose Plant Volatile Organic Compounds by HS SPME GC FID/MSD
... with gas chromatography (GC) coupled with flame ionization de- tection (FID) and gas chromatography with mass spectrometry (GC-MS) was developed and optimized to investigate volatile organic ...
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Classification of different pineapple varieties grown in Malaysia based on volatile fingerprinting and sensory analysis
... Results: The key volatile compounds and aroma profile of six pineapple varieties grown in Malaysia were inves- tigated by gas chromatography–olfactometry (GC-O), gas-chromatography–mass ...
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