Sulfate (SO42-) Back Catalog number: 50805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended FOUEA 2H-Perfluoro-2-decenoic acid (8:2), 1.2ml x 50ug/ml, isopropanol Price on request 0724.12-K-IO 1,5-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-61-9 Price on request 679121 Decamethylcyclopentasiloxane, 250mg Price on request