pH 12.0 Standard @ 25°C Back Catalog number: 50587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2013.12-5MG 2,3,3',4,4',5-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 38380-08-4 Price on request 40416 Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request 3558.14-10MG 1,5-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-12-4 Price on request