Mefenacet, 10 µg/ml, Acetonitrile, 10ml

Ethanol standard in water,0.2g/L,water, 3mL

Organotin Standard Mixture 1 Each 1000µg/mL in methanol; units: 5x1mL or 5x5mL Prod.No. Compound CAS No. 1983.4Mono-n-butyltin trichloride [1118-46-3] 1982.8 Di-n-butyltin dichloride

beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml