气相色谱-质谱法测定空气中8种挥发性酚类化合物的含量  

GC-MS Determination of 8 Volatile Phenols in Air

作　　者：王艳丽[1] 李利荣[1] 张肇元[1] 林冬[1] 崔连喜[1] 

机构地区：[1]天津市环境监测中心,天津300191

出　　处：《理化检验（化学分册）》2015年第8期1159-1162,共4页Physical Testing and Chemical Analysis(Part B:Chemical Analysis)

摘　　要：提出了气相色谱-质谱法测定空气中8种挥发性酚类化合物含量的方法。空气样品采用硅胶吸附管采集，丙酮淋洗解吸。在气相色谱分离中用HP—VOC色谱柱为固定相，在质谱分析中采用选择离子监测模式。采用内标法定量。8种挥发性酚类化合物的线性范围均为0．20～10．0mg·L-1，检出限在1．5～5．2／μg·m1之间。以空白样品为基体进行加标回收试验，所得回收率在80．4％0～86．7％之间，测定值的相对标准偏差（n=5）在1．7％～3．9％0之间。A method of GC-MS for the determination of 8 volatile phenols in air was proposed. The air sample was collected with silica adsorption tube, and desorbed by rinsing with acetone. HP-VOC chromatographic column was used for GC separation and selected ion monitoring mode was adopted in MS determination. Internal standard method was used for quantification. Linearity ranges of the 8 volatile phenols were found same between 0. 20-10. 0 mg· L-1 with detection limits in the range of 1.5--5.2μg · m-3. On the base of blank sample, test for recovery was made by standard addition method, values of recovery found were in the range of 80. 4%-86. 7%, with RSD＇s （n=5） in the range of 1.7%-3.9%.

关 键 词：气相色谱-质谱法 挥发性酚类化合物 空气 

分 类 号：O657.63[理学—分析化学]