Conductance @ 20°C [2500 µmho/cm] Back Catalog number: 59138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59337 pH 9.0 Standard @ 25°C Price on request 684690 D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Price on request 93031 Glycol Standard Price on request