WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679843 Trimethyl phosphate, 100 µg/ml, Methanol, 5ml Price on request S-13062A1-1ML Pirimicarb, 100µg/ml in Acetonitrile, 1ml Price on request 72664 Hexahydro-1,3,5-tris(hydroxyethyl)triazine Price on request