The method for the determination of 4,6-dinitro-cresol(DNOC) in fruits has been established with GC-MS.

利质(GC-MS)术建了果中4,6-二硝基邻甲酚(DNOC)的测定方法。

Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.

建品中三丙基锡、三丁基锡和三苯基锡的相色谱-质谱(GC-MS)分析方法。

The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.

相色谱-质谱(GC-MS)术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。

The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.

以异丙醇为溶剂,壬醇为内标,采相色谱-质谱法分析了卷烟烟总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。