WS Disinfection By-Products - Cal Check 2

Calibration Standard Mix 4

Carbendazim-d4 (benzimidazole-4,5,6,7-d4), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 291765-95-2

2,3',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-35-2