Carbonates
Magnesium carbonate , Basic Magnesium carbonate
In normal temperature, it’s with three hydrates. Light one is white, easily fragile or loose white powder. Odorless. Relative density is 2.2. Melting point is 350℃. It’s stable in the air. When heated to 700℃, it will become magnesium oxide. It’s hardly soluble in water, but it’ll bring a slight alkaline reaction. It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling.
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Calcium carbonate Power In Food
White fine powder without smell and taste. Its relative density is 2.5-2.7, hardly insoluble in water and enthanol, but soluble in lower density acid.(acetic acid, lower density hydrochloric acid and nitric acid).It is difficult to solubilize in lower density vitriol.
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