Search This Supplers Products:We're running chemical product, mining product(except special approval), feed additive, agriculturalthe exporting of sodidum sulfite anhydrous ,ronggalite lump/powdersodium hydrousufite , sodium fluosilicatesodium metabisulfite , sodium formate, calcium formatezinc sulphate mono/hepta ,zinc oxidesodium carbonate, ferrous sulfate
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Why is sodium sulfate after the sodium sulfite solution is evaporated?
Sodium sulfite has a high melting point and will not decompose or hydrolyze when it is evaporated to dryness. If it can be hydrolyzed, it will react, and sulfur dioxide will be reabsorbed by sodium hydroxide, so it will not be hydrolyzed. Sodium sulfite is reductive and reacts with O2 to form sodium sulfate upon heating.