Internal Standard ASTM D-5307

C20 Triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81943-50-2

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

Metals Mix - 2