Sulfate (SO42-) Back Catalog number: 59361 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30147 EPA Method 548 Analyte Price on request 0233.42-5MG [bc,ef,hi,kl,no,qr]-Hexabenzocoronene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 190-24-9 Price on request 59972 ICP-MS Calibration Standard #1 Price on request