CLP Calibration Standard Back Catalog number: 52155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 21005 Acid Surrogate Standard Price on request 2096.16-10MG Bis(2-ethoxyethyl) phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 605-54-9 Price on request 59578 pH 11.0 Standard at 25°C Price on request