WP & DMRQA Trace Elements Back Catalog number: 55024 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14196400 Hexanoic acid-methyl ester, 1ml Price on request 2134.21-K-IO Tri-m-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 563-04-2 Price on request 3415.6-100-DC beta-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-85-7 Price on request