WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Back Catalog number: P48-W-ES Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended M3PFBS Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request 59828 Metals Mix #1 High Conc. Price on request 71008 Tris(2,3-dibromopropyl)phosphate Price on request