BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.

用活性碳吸附管采集大气中的苯系物，二氯甲烷替代二硫化碳作为脱附剂，毛细管气相色谱分离分析。

youdao

METHODS: Drugs in plasma were extracted and purified by using X-5 resin solid phase extraction columns, followed by identification and quantitation using capillary GC-FID and GC-MS.

方法：用x - 5树脂固相萃取分离纯化血浆中的药物，用毛细管气相色谱和GC - MS对药物进行定性和定量分析。

youdao

Using GC method for quantitative analysis of borneol in Zhenshiming eye drops with SE-54 capillary column, FID as the detector.

选择SE-54毛细管柱、FID检测器；以水杨酸甲酯为内标物，采用内标法测定珍视明滴眼液中冰片的含量。

youdao