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为什么稀释的果汁喝起来比原来酸

更新时间: 2020-07-03 00:00:00     

稀释的果汁,加水后,对糖是浓度是等比例稀释的,糖的浓度减半,甜度也减半,水果中的酸是有机酸,属于弱酸,稀释后氢离子不会被等比例稀释,而是会释放出更多氢离子,加水后,氢离子并未减半,酸度也就不会减半。甜度降低,酸度会显得更加突出,葡萄干或水果中的有机酸在稀释后会提升电离度,释放出更多的氢离子。

关键词: 为什么 稀释 果汁 起来 原来

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