Calibration Standard Mix 4

Antipyrine, 10.0 µg/ml, Acetonitrile, 10ml

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6

2,3,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane