PVOC Mix ，分析标准品,，均以2000 μg/mL 溶于甲醇。

组分如下：                                                                                                                                                      Benzene
tert-Butyl methyl ether
Ethylbenzene
Toluene
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene (Mesitylene)
m-Xylene