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Research for Determination Method of Dicumyl Peroxide Content
Author(s): 
Pages: 54-56
Year: Issue:  8
Journal: Paint & Coatings Industry

Abstract: 过氧化二异丙苯(DCP)是强氧化剂,用其强氧化性质将饱和碘化钾溶液中的碘离子还原为碘,在样品中加入碳酸氢钠和浓盐酸,在低温(65℃)条件下使碳酸氢钠和浓盐酸反应生成二氧化碳形成保护气体,防止碘升华与空气中的氧反应而造成测定误差,在酸性条件下以淀粉作指示剂,用硫代硫酸钠标准溶液滴定反应生成的碘,以此方法测定过氧化二异丙苯(DCP)的含量,在实际工作中可操作性较强、精密度和准确度高、方法操作简单且重现...
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