CLP Calibration Std. III

4,4'-Dihydroxybiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92-88-6

Reagent kit for 100 tests (Free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20mL DPD2, 1 x 20mL DPD3

2,2,4,5-Tetrachlorobiphenyl (BZ-49)