Sulfate (SO42-) Back Catalog number: 59629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673647 Paraoxon-ethyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 0343.16-K-IO 4-n-Butylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 37909-95-8 Price on request 2511.7-K-IPX5 4-Chloro-3-methylphenol-2,6-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-72-5 Price on request