Barium sulfate also weighs SPAR, which is colorless or white rhombic crystals. When heated to 1149ºC, it becomes monoclinic crystal with refractive index of 1.649. It is almost insoluble in water Chemicalbook, 0.00022 at 18ºC, 0.00041 at 100ºC, slightly soluble in concentrated sulfuric acid; Dissolve in carbonate alkali metal salt solution, become barium carbonate; Insoluble in other acids and bases.

 

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     Hebei Lingding Biotechnology Co., Ltd. is a professional business company ,that include pharmaceutical raw materials, pharmaceutical intermediates, and other more than 1000 products of the enterprise,  The registered capital is 3 million yuan, it is a collection of scientific research, production and sales in one of the enterprises.
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