cis-1,2-Dichloroethene

2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2’,4,4’-Tetrachlorobiphenyl

Organotin Standard Mixture 8 - Tin IS Ethyl Derivatives Internal standards ethylderivatives 1000 µg/mL in isooctane (based on total mass)) 5x1mL Ethyltripropyltin 1955.11 Di-n-heptyl diethyltin 2493.18 Tetra-n-propyltin 2490.12