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氣相色譜-質譜(GC-MS).氣相色譜質譜法(GC-MS)結合了兩種強大的技術,可鑑定具有低檢測限和潛在的定量分析。液體,氣體和固體樣品均可通過GC-MS分析很好地工作。
Gas Chromatography Mass Spectrometry analyses are performed on liquids, gases or solids. For liquids and gases, the sample is commonly directly injected into the GC. For solids, the analysis is carried out by solvent extraction, outgassing (desorption) or pyrolysis.
Desorption experiments are performed under helium flow at a controlled temperature between 40-300 ºC, with analytes being collected on a cryogenic trap during desorption. The sample chamber is a 1.25”x4” cylinder.
Pyrolysis is another sampling technique for the analysis of materials that cannot be directly injected into the GC-MS. By applying heat directly to the sample, the molecule can be broken down in a reproducible way. After that, GC-MS analyzes smaller molecules that reach the GC. By this method, probe temperatures of up to 1400ºC can be used.
In addition, many other sample preparation and sampling metho...
GC-MS MS | 串聯質譜儀 | 合法醫療器材資訊網
GC | 合法醫療器材資訊網
GC | 合法醫療器材資訊網
GC-MS分析測試實驗室服務 | 合法醫療器材資訊網
了解GC | 合法醫療器材資訊網
氣相層析質譜儀 | 合法醫療器材資訊網
氣相層析質譜儀(Gas Chromatography Mass Spectrometry | 合法醫療器材資訊網
氣相色譜法 | 合法醫療器材資訊網
熱解-GC-MS | 裂解氣相色譜 | 合法醫療器材資訊網
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