亚老哥尔1268, Aroclor 1268,50 ppm w/w in Transformer oil

多氯联苯混标#4, PCB Congeners Mix #4 (Canadian RM),Varied conc. in Isooctane

PCB校准套标, Congener Calibration Set

性能检查标准, Brownfield Regulation Performance Check Standard,Hexane Cyclohexane (50:50)

PCB混标#2(36组分), PCB Congener Mix #2 ,10.0 μg/mL in Isooctane

PCB混标 14种, PCB Congener Mix #7 ,10.0 μg/mL in Isooctane

4-氯苯基苯基醚, 4-Chlorophenyl Phenyl Ether,50 μg/mL in Isooctane

3,3',4,4'-四氯二苯基醚, 3,3',4,4'-Tetrachlorodiphenyl ether,50 μg/mL in Isooctane

标准品, Dioxin-Like PCB Congener Level 5,1 ng/mL in Nonane

标准品, Dioxin-Like PCB Congener Level 9,20 ng/mL in Nonane