Total Residual Free Chlorine (Cl) Back Catalog number: 54124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71825 2-Chloro-6-nitrotoluene Price on request 678256 15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml Price on request 11440.22-100-IO 4-tert-Butylphenyldiphenyl phosphate-d13,100 µg/mL,isooctane,1mL Price on request