Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1982.8-K-5IO Di-n-butyltin dichloride, 1000µg/mL, Solvent-isooctane, Unit 5mL, # of units-1, Cas.no. 683-18-1 Price on request 12102.2-25MG HEPA,neat,neat,25mg, Price on request 2189.4-50-ME Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4 Price on request