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Place of Origin
HS-CODE
39-
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Detailed Description
It is white, sweet and toxic powder with specific gravity of 6.94. It can dissolve in nitric acid and hydrochloric acid, but not in water, It will become grey or black at 200℃ and even to yellow at 450℃, but in a good reductibility. As an antioxidant, it has excellent performance of resistance to ultraviolet ray, cold, and ageing.
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