Perchlorate (ClO4-) Back Catalog number: 57002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11637.20-100MG n-Butyl n-octyl phthalate, techn.,neat,neat,10mg, Price on request 66169 3,3',4,4',5,5'-Hexachlorobiphenyl (169) Price on request MBDE-100 2,2',4,4',6-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request