| 摘要 |
PROBLEM TO BE SOLVED: To provide an industrially useful method capable of preventing the solidification of magnesium nitrate hexahydrate without deteriorating a grade of magnesium and further to provide a composition of the magnesium nitrate hexahydrate in which the solidification is prevented as above. SOLUTION: The solidification of the magnesium nitrate hexahydrate is prevented by adding 3-50 wt.% magnesium carbonate as a solidification preventing agent to the magnesium nitrate hexahydrate. The composition consisting of such magnesium nitrate hexahydrate and magnesium carbonate is useful as a high grade magnesium raw material. COPYRIGHT: (C)2006,JPO&NCIPI
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