pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9035 Carbon disulphide Price on request 2810.4-50-ME Perfluorobutyric acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-22-4 Price on request 94506 Hydrocortisone Price on request