Sulfate (SO42-) Back Catalog number: 50805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680836 D10-Biphenyl, 100 µg/ml, Cyclohexane, 1ml Price on request 2094.10-10MG Dimethyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 131-11-3 Price on request 59351 Common Anions EPA 300.1Mix Price on request