General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 22651-2008
Scope
This standard specifies the method for the determination of the total mercury content in sodium hydroxide for industrial use. This standard applies to sodium hydroxide products with a mercury content greater than or equal to 0.000005%.
GB/T 22651-2008 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 22651-2008 history
2008GB/T 22651-2008 Sodium hydroxide for industrial use.Determination of mercury content.Spectrometric method