3种醛酮类混标,2000 μg/mL溶于乙腈(HJ 1154-2020), Custom Standard @ 1000 μg/Ml in n-Hexane

14种组分苯胺类混标, Custom SVOC Standard @ 2000 μg/mL in Methylene chloride

7种挥发性有机物混标,2000 ug/mL溶于1,2-二氯乙烷, Custom VOC Standard @2000 ug/mL in 1,2-Dichloroethane