Total Residual Free Chlorine (Cl) Back Catalog number: 59427 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1416.9-1G 3-n-Propylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 621-27-2 Price on request 680050 Diethyldithiophosphate, 250mg Price on request 79086 Metolachlor Price on request