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碱式硫酸铬
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碱式硫酸铬
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铬化合物
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basic chromium sulfate, chromium sulfate basic
碱式硫酸铬
分子式Cr(OH)n(SO4)0.5(3-n),其中0≤n≤3,当n=0时,碱式硫酸铬为硫酸铬Cr2(SO4)3;当n=3时,碱式硫酸铬为氢氧化铬Cr(OH)3。n是碱式硫酸铬分子中氢氧根(OH-)的当量系数,其值与碱式硫酸铬的碱性有关。一般习惯用碱度来表示碱式硫酸铬的碱性,即分子中氢氧根的当量数占分子中阴离子当量总数3的百分比。是一种重要的铬盐产品。
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