多环芳烃混标4, PAH Mix 4,Varied conc. in Acetonitrile

PCB 14种混标, PCB Congeners Mix 3,10 μg/mL in Isooctane

挥发混合物标准样品, Volatiles Mix 2-Calibration Set

挥发性混合3, Volatile Mix 3,100 μg/mL in MeOH

农药混标22, Pesticide Mix 22,10 μg/mL in AcCN

农药混标25, Pesticide Mix 25,10 μg/mL in Cyclohexane

多氯联苯同类物含量评价混合物#1(28/52/101/138/153/180/6组分), PCB Congener Content Evaluation Mix 1,10 μg/mL in Isooctane

多氯联苯8种混标, Congener Calibration Mix #12,10 μg/mL in Isooctane

多氯联苯8种混标, Congener Calibration Mix #23,10 μg/mL in Isooctane

多氯联苯10种混标, Congener Calibration Mix #25,100 μg/mL in Isooctane