亚老哥尔1262, Aroclor 1262,500 ppm w/w in Transformer oil

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

有机磷农药混标(9种组分), Canadian Drinking Water OP Pesticides,1000 μg/mL in Acetonitrile

PCB混标#5 (20种), PCB Congener Mix #5 ,10.0 μg/mL in Isooctane

PCB混标 21种, PCB Congener Mix #9 ,10.0 μg/mL in Isooctane

2,3',4,4',5-五氯联苯醚, 2,3',4,4',5-Pentachlorodiphenyl ether

标准品, Dioxin-Like PCB Congener Level 1,0.05 ng/mL in Nonane

二恶英结构相似的PCB 5种浓度套标1(14种组分), Dioxin-Like PCB Congener Set 3

p-Bromofluorobenzene,25 mg/mL in MeOH

对溴氟苯

酸性标准品, Acids-Matrix Std. Spiking Soln.,1.5 mg/mL in MeOH