家里不锈钢水壶烧完水有好多白色沉淀物,沉淀后能喝么,对身体有害么?

2025-04-07 02:46:18
推荐回答(1个)
回答1:

不锈钢水壶烧水后水里有白色沉淀物,这种水不只是不好喝,其实还会危害人的健康。
天然水中含有各种矿物质,因此天然水存在着金属离子,国家饮用水卫生标准对此有所限制,在这些限制范围内对人体不会有害,而空气中的二氧化碳易溶于水中,从而形成碳酸钙和碳酸镁漂浮物、沉淀,这些漂浮物、沉淀在长期使用过程中还会吸附水中微量的重金属离子,从而形成水垢。
水垢不溶于水只是相对的,水加热后便有部分沉淀会溶解,这会把形成沉淀的重金属离子重新带入水中,使水中的重金属离子的含量超过卫生标准的要求,危害人体健康,如碳酸钙、碳酸镁在人体内长期、大量沉积易形成尿结石、肾结石。铅、汞等会引起胎儿畸形,伤害人体的脑细胞,致癌致突变等。水垢还影响水壶的导热,从而浪费能源。
然而水垢也不是一无是处,在外出到水土不服的地方,如果用一些自己家中用具上取下的水垢来泡水,可以缓解和降低不良反应。
当然,大家想方设法除去水垢,有的将空壶在炉上加热,然后放入冷水中使之骤冷,让水垢破裂,也有用食醋煮之,使用专业的水垢清除剂定期清除,更有甚者用低浓度的草酸放在不锈钢用具中除垢。但专家认为最好的解决办法是使用厨房净水器或直饮机烧开水才能无水垢,更全面解决做饭、煲汤、洗蔬菜水果、泡茶冲咖啡等全家入口都用净化水!全家人身体健康更有保障!

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