次氯酸钠在用水清理时有刺鼻气味和刺眼流泪!用的拖把上是否有其他的化学液体是什么气体?

2025-04-07 11:00:42
推荐回答(1个)
回答(1):

次氯酸钠不具备软化水的作用,它具有漂白,杀菌,消毒的功能。应用于:水的净化,工业废水处理、造纸、纺织、制药、精细化工、卫生消毒等众多领域。"次氯酸钠"俗称:漂白剂。具有腐蚀性,微黄色溶液,有似氯气的气味。次氯酸钠化学式为:NaClO。因而"次氯酸钠"不适合用于处理软化水。[软化水的方法及注意事项]:(1)石灰苏打法:先测定水的硬度,然后加入定量的氢氧化钙和碳酸钠,硬水中的钙、镁离子便沉淀析出。Ca(HCO3)2+Ca(OH)2=2CaCO3↓+2H2OMg(HCO3)2+2Ca(OH)2=Mg(OH)2↓+2CaCO3↓+2H2OCaSO4+Na2CO3=CaCO3↓+Na2SO4(2)磷酸盐软水法:对于锅炉用水,入亚磷酸钠(NaPO3)作为软水剂,它与钙、镁离子形成络合物,在水煮沸时钙、镁不会以沉淀形式析出,从而不会形成水垢。此法不适合于饮用水的软化。(3)离子交换法:沸石和离子交换剂虽然都不溶于水,但其中的钠离子和氢离子可与硬水中的钙、镁离子发生交换反应,使钙、镁离子被沸石、人造沸石、离子交换剂吸附而被除去。长期使用后失效的沸石和离子交换剂可以通过再生而重复使用,故此法是既经济又先进的软水法。[注意事项]:软水是指不含或含较少可溶性钙、镁化合物的水。一般在家庭中要使自来水水质软化,目前最简便经济的方法就是在进水管道中加接一个软水器,使硬度较高的自来水通过软水器内的离子交换树脂进行离子交换反应,在保留微量元素的同时,将引起水质硬度偏高的钙、镁离子截留,这样就可以满足人们对生活用水的高质量要求。

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