pH 12.0 Standard @ 25°C Back Catalog number: 50587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8461.12 Baythion, , Solvent-, Unit , # of units-, Cas.no. Price on request 680830 2-Chlorobenzonitrile, 250mg Price on request 25015 Base/Neutral & Acid Surrogate Standard Price on request