Abstract Gas chromatography-mass spectrometry (GC/MS) is a powerful analytical system commonly used in laboratories with the identification and quantification of unstable and semi-risky compounds. The selection of copyright gasoline in GC/MS considerably impacts sensitivity, resolution, and analytical performance. Ordinarily, helium (He) has become the popular copyright fuel on accoun... https://elizabetha455jea1.bimmwiki.com/user