Sulfate (SO42-) Back Catalog number: 59806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3533.15-K-IO Cyclopentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 295-48-7 Price on request MBP-77 3,3',4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request X9146 4-Nitrophenol Price on request