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nature : PbO called not help or pharmacists. 15.40 crystals are yellow-red, density 9.53, the melting point of 888 ° C. Crystal oblique side is yellow, density 8.0. Amorphous is yellow. Density 9.2-9.5. Toxic! Do not dissolve in water and ethanol. Soluble nitric acid, acetic acid or lye warm. The air will gradually absorb carbon dioxide. The high temperature heat into three lead tetroxide. For paint, metallurgy and the flux of paint driers, and for oil, rubber, glass, ceramics and other industries. Mixed with glycerin, can generate hard material and can be used as adhesive. Lead by the heating or air will lead carbonate, nitrate derived scorching lead.
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