WP Low Level Perchlorate Back Catalog number: 55199 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676791 4-tert-Octylphenol-di-ethoxylate, 1 µg/ml, Aceton Price on request MBP-169 3,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request BB-30 2,4,6-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request