pH 11.0 Standard at 25°C Back Catalog number: 59578 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1616.14-10MG 4-Methyldiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 620-83-7 Price on request 70114 Dibenzo(a,i)pyrene Price on request 2105.8-100MG 1,5-Bis-(1-methylethyl)-biguanide HCl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 45095-69-0 Price on request