Sulfate (SO4-2) Back Catalog number: 50404 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79291 4,4’-DDE Price on request 8588.9 6-Fluorothio-4-chromanone, , Solvent-, Unit , # of units-, Cas.no. 21243-18-5 Price on request 3570.10-K-IO 6-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-62-3 Price on request