Gas chromatography-mass spectrometry: Difference between revisions
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(New page: {{encyclopedia|moderator=Henrik}}gas chromatography-mass spectrometry (GC-MS), a method for analysing concentrations of, e.g., PCDD/Fs, PCBs, and other organic compounds in a sample. The m...) |
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'''Gas chromatography-mass spectrometry''': (GC-MS), a method for analysing concentrations of, e.g., PCDD/Fs, PCBs, and other organic compounds in a sample. The method has two phases: first, separation based on differential movement of compounds in hot flowing gas in a long quarz capillary; second, detection based on the molecular mass of the compounds. The method is very sensitive and it can detect amounts as low as 0.5 - 100 pg, depending on the resolution of mass spectrometer and the matrix.<ref> Tuomisto, Vartiainen, Tuomisto: Dioxin synopsis. Report / National Institute for Health and Welfare, ISSN 1798-0089 ; 14/2011 [http://lib.thl.fi:2345/lib4/src?PBFORMTYPE=01002&TITLEID=53321&SQS=1:FI:1::10:50::HTML&PL=0]</ref> | |||
==References== | |||
<references/> | |||
[[category:Dioxin synopsis]] | |||
[[op_fi:Kaasukromatografia-massaspektrometria]] | |||
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Gas chromatography-mass spectrometry: (GC-MS), a method for analysing concentrations of, e.g., PCDD/Fs, PCBs, and other organic compounds in a sample. The method has two phases: first, separation based on differential movement of compounds in hot flowing gas in a long quarz capillary; second, detection based on the molecular mass of the compounds. The method is very sensitive and it can detect amounts as low as 0.5 - 100 pg, depending on the resolution of mass spectrometer and the matrix.[1]