pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675454 Sulfaquinoxaline sodium salt, 100mg Price on request 10409.19-10MG 12-Methylbenz[a]anthracene,neat,neat,10mg, Price on request 66208 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208) Price on request