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  • How to measure the purity of single boron Date: 2020-05-29 13:55:05 Click: 171 Comment: 0

    Monomer boron is dark brown or black powder, crystalline boron is relatively inert, and amorphous boron is active. Monomer boron is relatively high in hardness and has a very high resistance. It is commonly used in the manufacture of the ele...