Total Residual Free Chlorine (Cl) Back Catalog number: 54224 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1531.22-K-T Indeno[1,2,3-cd]pyrene-d12, 1000µg/ml in Toluene, 1ml Price on request C12670000 Dimethachlor, certified, 0.25g Price on request 72120 Captopril Price on request