WS Residual Free Chlorine Back Catalog number: 55023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70151 Dichlorvos, 1000ug/ml in MeOH, 1ml Price on request 680696 2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile, Price on request 2875.20-K-IO N-Ethyl,N-(3-phenylpropyl)-3-(4-hydroxyphenyl)propylamine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 142047-94-7 Price on request