| 镀锌钢管中的锌对自来水中NO_2~-含量的影响 |
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| 引用本文： | 张艳芳.镀锌钢管中的锌对自来水中NO_2~-含量的影响[J].嘉应学院学报,2001,19(6):55-57. |
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| 作者姓名： | 张艳芳 |
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| 作者单位： | 梅州市自来水公司水质监测站,广东,梅州,514015 |
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| 摘 要： | 镀锌钢普遍作为城市饮用水的室内给水管道。通过测定指出:含有每升数毫克以上的NO_3~-—N的符合国家饮用水标准的自来水,在镀锌管中一经滞留,NO_2~-含量将大大增加,并对自来水在管道中存放时间与NO_2~-含量规律和NO_2~-产生原因进行研究。
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| 关 键 词： | 镀锌钢管 NO_3~-、NO_2~- 还原环境 |
| 文章编号： | 1006-642X(2001)06-0055-03 |
Effect of Zinc in Galvanized Steel Pipe on NO2- Content in Tap Water |
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| ZHANG Yan-fang.Effect of Zinc in Galvanized Steel Pipe on NO2- Content in Tap Water[J].Journal of Jiaying University,2001,19(6):55-57. |
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| Authors: | ZHANG Yan-fang |
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| Institution: | The Watching Factory of The Quality of Water of Meizhou City.Meizhou 514021 .China |
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| Abstract: | Galvanized steel pipe has been widely used as indoor tap water pipe. The tap water which contains several milligrams NO-3 -N per litre is detained in the pipe for some time, the NO-2 content will increase greatly. Meanwhile the relationship between tap water detained time and NO-2 content and the reason of NO-2 production are revealed. |
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| Keywords: | zinc in galvanized steel pipe NO-3 NO-2 return circumstanles |
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