Sulfate (SO42-) Back Catalog number: 50734 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92190 Phenol Standard Price on request 677343 Tridecafluorohexane-1-sulfonic acid potassium salt Price on request 2440.10-K-IP 2-Chloro-4-tert-butylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 98-28-2 Price on request