Total Iron (Fe(II) and Fe(III))

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

Semi-Volatile Standard

1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane