四平市饮用水理化性质分析
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摘要
主要以热水、自来水、桶装水和瓶装纯净水这4种水样为检测目标,对其p H值、总硬度、电导率、氯化物和菌落总数进行了测定。结果表明,热水和自来水的各指标差别不大;4种不同的水源中,氯化物浓度和菌落总数这2项指标差别较显著。综合各种指标,桶装水和纯净水都是比较健康的饮用水,比热水更适合饮用。
Taking boiling water, piped water, bottled water and pure water as research objects, pH value, hardness, conductivity, chloride content and total number of bacteria of the samples were determined. The results showed that chloride content and the total number of bacteria were obviously different in all water samples, but monitoring indexes of boiled water and cold water were similar. it's pointed out that bottled water and pure water are healthier and better than boiled water.
Taking boiling water, piped water, bottled water and pure water as research objects, pH value, hardness, conductivity, chloride content and total number of bacteria of the samples were determined. The results showed that chloride content and the total number of bacteria were obviously different in all water samples, but monitoring indexes of boiled water and cold water were similar. it's pointed out that bottled water and pure water are healthier and better than boiled water.
引文
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[3]吴馨源.我国饮用水质量现状及对策[J].山东化工, 2018, 17:191-193.
[4]陈梓荣.广州高校桶装水饮用情况及水质卫生状况的调查研究[J].广东化工, 2013, 40(243):99-100.
[5]刘利平.大同市部分桶装水用户饮用情况及水质卫生现状调查[J].临床医药文献杂志, 2017, 4(43):8513.
[6]司朝宗,季建刚,归国平,等.苏州市高新区学校桶装水水质卫生状况及影响因素[J].江苏预防医学, 2018, 29(3):336-338.
[7]张媛袁,张昌明,叶蓉春,等.江苏省2016年学校桶装水饮水机卫生现状[J].中国学校卫生, 2017, 38(12):1911-1912.