WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10707.4-100-ME O,O-Diethylhydrogenphosphate-13C2, sodium salt Price on request 682310 1,1,2,2-Tetrachloroethane, 1000mg Price on request 3550.13-100-T 2-Nitro-9-fluorenone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3096-52-4 Price on request