预浓缩-气相色谱/燃烧-同位素比值质谱系统(PreCon-GC/C-IRMS),preconcentration-gas chromatograph/combustion-isotope ratio mass spectrometers(PreCon-GC/C-IRMS)
gas chromatography-combustion-isotope ratio mass spectrometry气相色谱/燃烧炉/同位素比值质谱
1.The source of the metabolites of anabolic steroids was detected by their δ values with gas chromatography-combustion-isotope ratio mass spectrometry.方法:采用酶解、高效液相色谱(HPLC)等方法对尿样中内源性类固醇激素进行酶解游离型、分离,再经气相色谱/燃烧炉/同位素比值质谱方法检测代谢物及内源性类固醇参照物13C与12C同位素含量的相对比值(δ值)。
3)gas chromatography/combustion/isotope ratio mass spectrometry(GC/C/IRMS)气相色谱/燃烧/同位素比值质谱
1.A method was developed for the determination of carbon isotope composition of atmospheric acetone using gas chromatography/combustion/isotope ratio mass spectrometry(GC/C/IRMS).利用气相色谱/燃烧/同位素比值质谱(GC/C/IRMS)分析技术,研究了具有不同碳同位素组成的丙酮与衍生剂2,4-二硝基苯肼(DNPH)的液相反应及其相应的气相反应实验过程中的碳同位素效应,探讨了以该方法测定大气丙酮碳同位素组成的可行性。
4)gas chromatography-combustion-isotope ratio mass spectrometry(GC-C-IRMS)气相色谱-燃烧-同位素比值质谱
1.The δ13C values of the individual fatty acids in corn oil and palm oil were determined by gas chromatography-combustion-isotope ratio mass spectrometry(GC-C-IRMS).利用气相色谱-燃烧-同位素比值质谱仪获得玉米油与棕榈油主要脂肪酸的δ13C值,构建其混合油中3种主要脂肪酸的δ13C值-混合比例的标准曲线。
5)elementary analysis-isotope ratio mass spectrometers(EA-IRMS)元素分析仪-稳定同位素比率质谱仪系统(EA-IRMS)
6)gas chromatography isotope ratio monitoring mass spectrometry气相色谱-同位素比值质谱
延伸阅读

同位素比值分子式:CAS号:性质:某元素中各同位素丰度之比。如18O/16O,13C/12C,34S/32S等。