What is the difference between boric acid and boric powder ?
Boron is insoluble in water. The boric powder is soluble in boiling nitric acid and sulfuric acid, as well as most molten metals such as copper, iron, manganese, aluminum and calcium. Boron is present as a trace element in quartz ore. In the purification process of high-purity quartz sand, how to reduce the B content as much as possible is the key to the process. The presence of B lowers the melting point of quartz, and the number of used quartz crucibles is lowered, resulting in an increase in the production cost of single crystal silicon.
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