Total Residual Free Chlorine (Cl) Back Catalog number: 59427 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66202 2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202) Price on request 676607 D4-1,2-Dichloroethane, 2000 µg/ml, Methanol, 1ml Price on request 90524 N,N-Dimethylformamide Price on request