QC for Chloride and Sulfate Anions Back Catalog number: 59174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2863.12-50-IO 5-Fluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 11888.9-K-AN Benzocaine,1000 µg/mL,acetonitrile,1mL, Price on request 677374 Benzoin, 100 µg/ml, Acetonitrile, 5ml Price on request