挥发物混标1, Volatiles Mix 1-Calibration Set

醛酮类DNPH衍生物混标(13组份), Air Monitoring Aldehyde-DNPH Mix 1,Varied conc. in Acetonitile

农药混标20, Pesticide Mix 20,10 μg/mL in Ethyl acetate

杀虫剂混标23,6组分, Pesticide Mix 23,10 μg/mL in AcCN

杀虫剂混标24,6 组分, Pesticide Mix 24,Varied conc. in Cyclohexane

多氯联苯混标, PCB Congener Content Evaluation Mix 1,20 μg/mL in Hexane

多氯联苯10种混标, Congener Calibration Mix #6,10 μg/mL in Isooctane

同类校准混标＃15, Congener Calibration Mix #15,1 μg/mL in Isooctane

环境检测标准品, Environmental Calibration Standard,Varied conc. in 10% Nitric acid

Calibration Mix #2,100 μg/mL in 2-5% Nitric Acid