
Calcium hydrogen sulphite
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Calcium hydrogen sulphite is a fairly common chemical compound formed by the reaction between Ca(OH)2 and SO2. It belongs to the sulphite group, sulphur-based components that release sulphur dioxide SO2, an active preservative compound. It appears in the form of a white powder. The sulphite group includes: Sulphur dioxide E220 SO2 Sodium sulphite...