Sulfate (SO4-2) Back Catalog number: 50410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3674.15-K-IO 2-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13837-48-4 Price on request 92806 8015Gas Markers Price on request 1543.10-K-IOX10 n-Decane-d22, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 16416-29-9 Price on request