一种快速、准确、简便实用的环氧当量测定方法——溴化氢-冰乙酸非水滴定法

Thermosetting Resin(2006)

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Abstract
叙述了在冰乙酸非水介质中,以结晶紫为指示剂、溴化氢与环氧基团迅速等摩尔反应的"溴化氢-冰乙酸非水快速滴定法".讨论了0.1 mol的HBr-HOAc这一关键试剂的制备方法及有色样品、高填料样品或难以脱色的深色样品不同的测试方法,以及溴化氢/冰乙酸电位滴定方法的应用.与常用的其他环氧分析方法相比,该方法具有简单、可靠、更准确的优点.
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Key words
non-water titration method,standard titration solution,epoxy equivalent weight
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