pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82701 EPA Method 8270A - Mix #14 Price on request L20020900IO PCB No. 209 10 µg/mL in Isooctane, 10ml Price on request 53064 Spiking Standard 1 Price on request