Conductance @ 20°C [50,000 µmho/cm] Back Catalog number: 59631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AC-AQ05-015 Aqueous ethanol control EtOH AQ (0.5g/L), 10x1,5ml Price on request 50215 Nitrite (NO2-) as N Price on request 59642 Custom Mix Price on request