Tin AA Standard,1000 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

锡(原子吸收光谱法标准溶液)

农残混标15, Pesticide Mix 15,0.02 μg/mL in Ethyl acetate

农药混标20, Pesticide Mix 20,10.0 μg/mL in Ethyl acetate

四氯化碳标准曲线, Carbon tetrachloride Calibration Curve

空气检测DNPH混标 14组分, Air Monitoring Aldehyde-DNPH Mix 2,Varied Concentration in Acetonitrile

23种偶氮混标, Carcinogenic Aryl Amine Mix,10 μg/mL in Ethyl acetate

十六组分有机氯农药混标, Pesticide Mix 21,10 μg/mL in Cyclohexane

杀虫剂混标26 六六六五种混标(α-BHC/β-BHC/γ-BHC/δ-BHC/ε-BHC), Pesticide Mix 26,1.0 μg/mL in Cyclohexane

多氯联苯7种混标(28、52、101、118、138、153、180), PCB Congener Content Evaluation Revised Mix 1,10 μg/mL in Isooctane

多氯联苯6种混标(28、52、101、138、153、180), PCB Congener Content Evaluation Mix 1,20 μg/mL in n-Hexane