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See Chinese contents: GB/T 11213.2-2007 GB/T 11213.2-2007: Sodium hydroxide for chemical fiber use -- Determination of sodium chloride content -- Spectrometric method
This Part of GB/T 11213 specifies the method for the determination of sodium chloride content in sodium hydroxide for chemical fiber use. This Part applies to products with a sodium chloride content of 0.0002% ~ 0.02% in sodium hydroxide.
