pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12827-1G Pentachlorobenzene, 1g Price on request 2841.6-50-ME 1H,1H,2H,2H,3H,3H-Perfluorohexan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 679-02-7 Price on request C13781000 Fluorobenzene, 1ml Price on request