Assertion: ammonium nitrate | /r/CapableOf | provide sharp edged crystals
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Source sentences:
text: The purified and swollen inorganic gel prepared from a clay such as montmorillonite group, vermiculite, hydrated halloysite, etc., by the manner described hereinafter contains free water, bound water, and water of crystallization and when the inorganic gel is mixed with ammonium nitrate, the ammonium nitrate is dissolved in the water, replaced with the water, and recrystallized for 100˜ 200 hrs at room-temperature with the particles of the inorganic swollen gel as the nuclei or seeds (such a recrystallization is hereinafter called "ripening" in the specification) to provide the inorganic gel-ammonium nitrate composite material or this invention including sharp edged crystals.