WS PAH Calibration Level 4 Back Catalog number: 92605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8:8PFPI Sodium bis(perfluorooctyl)phosphinate, 50µg/ml in MeOH, 1,2ml Price on request MI527-25 Powder reagents for iodine (25 tests). Contains: 25 sachets Price on request 8933.11-100-ME Amidotriazoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 117-96-4 Price on request