Using GC/C/MS online carbon isotope analytic technic, abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale).

MS 在线碳同位素分析技术，能够从微量样品（ 色谱量级）中获得丰富的单分子碳同位素组成信息。

youdao

Flavor components of Pixian pea sauce from Sichuan were analyzed by GC/MS combining with solid-phase micro-extraction (SPME).

用顶空固相微萃取，结合气相-质谱联用技术分析了四川郫县豆瓣酱的挥发性香成分。

youdao