Total Acid Number Standard 0.5 Back Catalog number: S-4340-0.5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 3236.21-K-IO 12-cis,15-cis-Heneicosadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 191545-08-1 Price on request AC-AQ20-030 Aqueous ethanol control EtOH AQ (2.0g/L), 10 x 3.0ml Price on request 32581 Trichlorofluoromethane Price on request