Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

Phenyltin trichloride, 100mg

20-Methyl-5 alpha(H)-pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5737-19-9

1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane