Conductance @ 20°C [50,000 µmho/cm] Back Catalog number: 59631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59436 pH 4.0 Standard @ 25°C, in water, 100ml Price on request 59975 ICP-MS Calibration Standard #4 Price on request X9097 1,4-Dioxane Price on request