VPH Primary Calibration Rev 1.1 Back Catalog number: 97386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9149 N-Nitrosodiethylamine Price on request 59450 Conductance @ 20°C [147 µmho/cm] Price on request 682137 Iprodione Metabolite RP 30228, 100mg Price on request