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GB/T 23940-2021 English PDF (GBT23940-2021)

GB/T 23940-2021 English PDF (GBT23940-2021)

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GB/T 23940-2021: Analytical methods of persulfate products for industrial use
This document specifies the general requirements for the analysis methods of persulfate products for industrial use, the analysis methods of persulfate content and active oxygen content, pH, iron content, chloride content, moisture, manganese content, heavy metal content, ammonium salt content, and ignition residue content. This document applies to persulfate products for industrial use, including sodium persulfate for industrial use, potassium persulfate for industrial use, ammonium persulfate for industrial use, etc.

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