Sulfate (SO4-2) Back Catalog number: 50410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3830.3-1ML 2,3-Dichloro-1-propanol, neat, Solvent-neat, Unit 1ml, # of units-1, Cas.no. 616-23-9 Price on request 2057.6-K-IP 2-Fluorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 367-12-4 Price on request EN-1948ES Extraction Standard Solution, in nonane/3.2% toluene, 1,2ml Price on request