Harmonized System

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Section VI > Chapter 28 > Heading 2836

Explanatory notes

… (percarbonates), i.e., carbonates containing an excess of oxygen, such as (Na 2 CO 4 ) (peroxomonocarbonates) or (Na 2 … carbon dioxide. White powders, dissolving in water to form oxygen and neutral sodium carbonate. Used for bleaching, in …

Section XV > Chapter 72