pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0318.20-200-T 13(H)-Dibenzo[a,i]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-64-5 Price on request 70578 Carbophenothion Price on request 72004 Eugenol Price on request