溶解度不易溶于水或乙醇，易溶于稀盐酸。
Not dissolve in the water and alcohol, but easily dissolved in rare hydrochloric acid.
灰黑或黑色粉未，不溶于水、乙醇，溶于酸。
Light black or black powder, water and alcohol insoluble, but acid soluble.
灰黑或黑色粉未，不溶于水、乙醇，溶于酸。
Light black or black powder, water and alcohol insoluble, but acid soluble.
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