WS Disinfection By-Products - Cal Check 1 Back Catalog number: 92894 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-7K-25LW Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 2048.7-10K-MEX5 alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 10000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 98-08-8 Price on request 675664 Sulfentrazone, 10.0 µg/ml, Ethyl acetate, 10ml Price on request