Total Residual Chlorine (Cl) Back Catalog number: 59379 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11438.19-100-IO Diphenyl-o-tolyl phoshate,100 µg/mL,isooctane,1mL, Price on request 3754.20-K-AC 4-tert-Octylphenol triethoxylate,1000 µg/mL,acetone,1mL, Price on request 2377.10-K-IP 2-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 135-19-3 Price on request