Total Residual Free Chlorine (Cl) Back Catalog number: 54124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2676.8-10MG Tetrabromophthalic anhydride Price on request 9667.12-100-IO 2,3,3',5,5',6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-46-1 Price on request DF-24-S 2,4-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request