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Varied specifications
magnesium carbonate
Soluble in acid and ammonium salt solution. Calcination can decompose into magnesia and carbon dioxide. Encounter dilute acids that emit carbon dioxide decomposition. Normally slightly soluble in water. When heated to soften the reaction with water (hard) generation magnesium hydroxide (because of magnesium hydroxide dissolved harder than magnesium carbonate)
Use
Used for pharmaceutical intermediates, antacids, desiccant, carrier, "dillenii faster,In food additives, magnesium in compensation,In the production of fine chemicals used for chemical reagents,In the rubber reinforcing agent, for filling agent,Can the high-temperature insulation, heat preservation material fire,Cable manufacturing process of important chemical raw materials,Manufacturing high-class glass products,Enamel porcelain polished up,Production of magnesium salt, paint, paint, cosmetic, shipbuilding, boiler manufacture. And the athletes with your hands.
Physical Properties
soluble salt: 1 acuities 1.0%,
cao: acuities 0.6%,
item: (HCl in) % than 0.05,
heavy metals (Pb); 0.003% acuities:
iron determine if flexion-extension (Fe) radiographs: acuities 0.02%,
arsenic (As) : 0.0002% acuities,
and content (with) : acuities mgo 40.0-43.5 percent,
and chloride: 0.0035% acuities,
sulfate: more than 0.5%
burning loss: 55-57 percent
12 and apparent density (g/ml) : 0.10 13