Total Residual Free Chlorine Back Catalog number: 59620 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674062 Coumaphos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 30069 Internal standard 3, 2000g/ml in MeOH, 1ml Price on request 0473.18-200-T 2,3,6,7-Tetramethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15254-25-8 Price on request