pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1554.25-K-IOX5 n-Pentacosane-d52, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 121578-13-0 Price on request 73323 2-Ethylhexyl acetate Price on request 71014 n-Heptacosane Price on request