Total Residual Chlorine (Cl) Back Catalog number: 59379 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H808452 4-Hydroxybenzoic Acid-d4, 10mg Price on request 676335 Dimethachlor Metabolite CGA 369873, 10mg Price on request 675651 Pyridalyl, 100 µg/ml, Ethyl acetate, 5ml Price on request