This standard specifies the determination method of sodium chloride content in sodium hydroxide for industrial use. This standard applies to products with a sodium chloride content (mass fraction) greater than 0.005%.
GB/T 4348.2-2002 history
2014GB/T 4348.2-2014 Sodium hydroxide for industrial use.Determination of sodium chloride content.Mercurimetric method
2002GB/T 4348.2-2002 Sodium hydroxide for industrial use--Determination of sodium chloride content--Mercurimetric method