Perfluorobutane sulfonic acid Back Catalog number: 2041.4-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 0212.18-200-T Chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 218-01-9 Price on request MBP-MO Mass-Labelled Mono-Ortho PCB Mixture, 5.00µg/mL in Nonane/8% toluene 1,2ml Price on request 0012.22-200-T Napht[1,2-a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 195-06-2 Price on request