Arsenic (As) Back Catalog number: 56033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3754.20-K-IO 4-tert-Octylphenol 3EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2315-62-0 Price on request 50700 IC Standard 1B Price on request 3138.13-K-IO Tridecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-53-9 Price on request