GOST 7482-2023 PDF

Scope: This standard applies to natural crude glycerin (hereinafter referred to as crude glycerin) and distilled glycerin and establishes the acceptance rules and the following test methods: 　——for crude glycerin: determination of color, transparency, presence of fatty acids and resins, mass fraction of pure glycerin, protein substances, presence sulfuric acid compounds, mass fraction of non-volatile organic residue, glycerol reaction, mass fraction of ash; 　——for distilled glycerin: determination of odor, transparency, acrolein and other reducing substances, iron, arsenic, lead, chlorides, carbohydrates, color number, density, glycerin reaction, mass fraction of pure glycerin, mass fraction of ash, saponification coefficient, presence of sulfuric acid compounds, protein substances

GOST 7482-2023 history