Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55124 SDWA Total Residual Chlorine Price on request 3428.12-100-AN Isofenphos-des-N-isopropyl Price on request S-4412-ASS-10IP S-4412 OrganoTin Special Mixture 1981,12 Tri-n-butyltin chloride 1000mg/L 1982,8 Di-n-butyltin dichloride 100mg/L 1983,4Monobutyltin trichloride 50mg/L Solvent: Isopropanol Units: 1L screwcap-bottles Price on request