GB/T 27757-2011 《Reference electrodes for the measurement of pH value》 Related products

This standard specifies the classification, technical requirements, test methods, inspection rules, labels, Encasement, transportation and storage of reference electrodes for pH value determination. It is suitable for general saturated potassium chloride reference electrodes with mercury/mercurous chloride and silver/silver chloride as internal electrode materials. The standard classifies laboratory and online reference electrodes, specifies the normal working requirements, potential deviation and stability of electrodes under different environment conditions, and provides a technical basis for ensuring the accuracy of pH measurement.