檢視金属离子的原始碼

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中文名: 金属离子

外文名: metal ion

位 置: 只存在电解液中

作 用: 维持生物体内的水和电解质平衡

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'''金属离子'''是某种物质溶于水后的金属元素的离子。简单的说就是分子组成的物质中的[[金属元素]]。绝大部分金属离子是阳离子，但IVB-VIII族金属可以生成阴离子。金属离子是维持多相体系的渗透平衡的重要组成部分，也是广泛的酶反应的必要组成部分。有些酶类的催化活性，除了[[蛋白质]]部分外，还需要金属离子，即金属离子是酶活性中心的组成部分。<ref>[https://wenku.baidu.com/view/2986e779f524ccbff021847b.html 常见金属离子的鉴别方法 ],百度 ,  2016-06-24</ref>