pH 2.0 Standard @ 25°C Back Catalog number: 50126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672939 Trifluralin, 250mg Price on request 1136.16-K-IO n-Hexadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 544-76-3 Price on request 90733 3,3'-Dimethylbenzidine Price on request