5 National Standards Including Toilet Tissue and Its Products - Part 13: Determination of Dispersion Approved and Issued

  Recently, the State Administration for Market Regulation of the People's Republic of China (Standardization Administration of China) issued an announcement approving the release of 261 recommended national standards. Among them are 5 national standards in the papermaking field, including Toilet Tissue and Its Products - Part 13: Determination of Dispersion and Pulp - Sulfate Cooking Liquor and Black Liquor - Determination of Hydrosulfide Ion Concentration (Potentiometric Titration Method).