Gas Chromatography – Mass Spectrometer (GC-MS)


Gas Chromatography – Mass Spectrometry (GC-MS) It is a versatile analytical tool for separation and identification of non-polar / mid polar compounds in the reaction mixture. Presently SIC is equipped with GC-MS QP 2010 Ultra mass spectrometer from Shimadzu Analytical India Pvt. Ltd. The machine can be configured into 3 types of configurations viz. GC-MS, GC-TCD, GC-FID. GC-MS uses Electron Ionization (EI), Chemical Ionization (CI) since it has the capability to perform positive and negative ionization for molecular weight information of more complex samples. GC-MS uses helium as inert carrier gas. It is very sensitive instrument, and can detect upto PPM level masses. The mass range is 10-1000 Da, which allows analysis over a wide range of low and high molecular weight compounds. NIST Mass spectra library is available for separation/ identification of organic compounds and molecules. GC-TCD can be used for Gases samples analysis such as Hydrogen, Nitrogen, Carbon Monoxide, Carbon Dioxide, and Methane effectively. The GC-FID is well suited for analysis of hydrocarbons such as methane, ethane, acetylene etc., but also for organic substances containing hydrocarbons and for volatile organic compounds


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