Total Residual Free Chlorine (Cl) Back Catalog number: 54124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16972720 Spectinomycin sulfate hydrate, certified, 0.1g Price on request 675888 Pyridafol, 100 µg/ml, Acetonitrile, 5ml Price on request 52024 CLP ILM 03.0 / 05.3 Interferents A Price on request