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58问答库 > 为什么拿盐洗衣服可以防止掉色呢？？

为什么拿盐洗衣服可以防止掉色呢？？

2025-04-01 18:30:18

推荐回答（1个）

回答（1）：

盐的成分为Nacl。分解为离子后可以破坏染料在水中形成的胶体粒子水膜或者离子颗粒团，中和这些粒子团的电荷，所以染料就不会过多的溶解在水里了。
我在这里的解释是比较粗糙的，正规的化学词语没有使用规范，但是原理你该懂了吧？

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