亚老哥尔1268, Aroclor 1268,500 ppm w/w in Transformer oil

PCB校准套标, Congener Calibration Set

CCME保留时间标记混标, CCME Retention Time Marker,2000 μg/mL in Methanol

4-氯苯基苯基醚, 4-Chlorophenyl phenyl ether

4,4'-Dichlorophenyl ether

4氯苯醚

二恶英结构相似的PCB混标(14种组分), Dioxin-Like PCB Congener Level 6,2 ng/mL in Nonane

二恶英结构相似的PCB混标(14种组分), Dioxin-Like PCB Congener Level 4,0.5 ng/mL in Nonane

p-Bromofluorobenzene,25 μg/mL in MeOH

对溴氟苯

p-Bromofluorobenzene,2.5 mg/mL in MeOH

对溴氟苯

半挥发物校准混标(3种组分), Semi-Volatile Organic Extract Calibration Mix,1000 μg/mL in Dichloromethane