pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1693.16-500-IO 1,7-Dimethylphenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 483-87-4 Price on request 8528.8-100-AN Penicillic acid, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 90-65-3 Price on request AC-AQ50-030 Aqueous ethanol control EtOH AQ (5.0g/L), 10 x 3.0ml Price on request