Total Residual Free Chlorine (Cl) Back Catalog number: 54224 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0793.15-K-IO 4 alpha-Methyl-1,2,3,4,9,10-hexahydrophenanthrene (cis/trans), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60795-82-6 Price on request 8548.10-50-ME 2H,2H-Perfluorodecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27854-31-5 Price on request 31391 Dichloromethane Price on request