Calibration Standard Mix 2

Tetrachloroethene, 100 µg/ml, Methanol, 5ml

pH 2.0 Standard @ 25°C

2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5