pH 6.86 Standard @ 25°C Back Catalog number: 50772 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11723.12-100-IO 2,3,3',4,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 32241 trans-1,2-Dichloroethene Price on request 8407.13-1G Perfluoro-n-tridecane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 376-03-4 Price on request