Total Residual Free Chlorine (Cl) Back Catalog number: 54124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFAC-MXG Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml Price on request 73262 Triamterene Price on request 32541 Bromomethane, 2000µg/ml in MeOH, 1ml Price on request