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为什么用淀粉-KI试纸检验食盐中是否加碘时要加食醋？
为什么用淀粉-KI试纸检验食盐中是否加碘时要加食醋？
为什么用淀粉-KI试纸检验食盐中是否加碘时要加食醋？
2025-04-05 11:50:05
推荐回答（1个）
回答1：
食盐中加的含碘物质是碘酸钾，检验的原理是碘酸根离子氧化试纸中的碘离子，需要在酸性条件下才能进行
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