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GC–MS is used for the analysis of unknown organic compound mixtures. One critical use of this technology is the use of GC–MS to determine the composition of bio-oils processed from raw biomass. [29] GC–MS is also utilized in the identification of continuous phase component in a smart material, magnetorheological (MR) fluid. [30]
A mass chromatogram is a representation of mass spectrometry data as a chromatogram, where the x-axis represents time and the y-axis represents signal intensity. [1] The source data contains mass information; however, it is not graphically represented in a mass chromatogram in favor of visualizing signal intensity versus time.
GCMS may refer to: Gas chromatography–mass spectrometry , an analytical method to identify different substances within a test sample Gibson City-Melvin-Sibley Community Unit School District 5 , a K–12 public school district based in Gibson City, Illinois
Mass spectrometer (MS), also called GC-MS; highly effective and sensitive, even in a small quantity of sample. This detector can be used to identify the analytes in chromatograms by their mass spectrum. [14] Some GC-MS are connected to an NMR spectrometer which acts as a backup detector. This combination is known as GC-MS-NMR.
Paul Patent 2939952 Fig5. Essentially the triple quadrupole mass spectrometer operates under the same principle as the single quadrupole mass analyzer.Each of the two mass filters (Q1 and Q3) contains four parallel, cylindrical metal rods.
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Gas chromatography-mass spectrometry (GC-MS) is a two-dimensional chromatography technique that combines the separation technique of gas chromatography with the identification technique of mass spectrometry. GC-MS is the single most important analytical tool for the analysis of volatile and semi-volatile organic compounds in complex mixtures. [7]