| 示波极谱滴定法测定水和废水中的溶解氧 |
| |
| 引用本文： | 曾英杰,孙保平,侯绍刚.示波极谱滴定法测定水和废水中的溶解氧[J].干旱环境监测,2002,16(3):177-179. |
| |
| 作者姓名： | 曾英杰 孙保平 侯绍刚 |
| |
| 作者单位： | 1. 河南省滑县环境保护局,河南,滑县,456400
2. 安阳大学,化工系,河南,安阳,455000 |
| |
| 摘 要： | 在pH值为6.5的NaAc-HAc底液中，加入经处理后的水样10ml，用EDTA标准溶液滴定其中的Mn^2 ，以EDTA在示波极谱上的切口到一定深度指示终点，废水的色度、浊度等对测定不产生干扰，不需进行预处理，操作简便、快速。该方法的相对误差小于1.0%，变异系数小于0.7%。
|
| 关 键 词： | 示波极谱滴定法 水 废水 溶解氧 Mn^2＋ 水质监测 |
| 文章编号： | 1007-1504(2002)03-0177-03 |
Determination of Dissolved Oxygen in Water and Waste Water by Oscillo Polarographic Titration |
| |
| ZENG Ying-jie ,SUN Bao-ping ,HOU Shao-gang.Determination of Dissolved Oxygen in Water and Waste Water by Oscillo Polarographic Titration[J].Arid Environmental Monitoring,2002,16(3):177-179. |
| |
| Authors: | ZENG Ying-jie SUN Bao-ping HOU Shao-gang |
| |
| Institution: | ZENG Ying-jie 1,SUN Bao-ping 2,HOU Shao-gang 2 |
| |
| Abstract: | The treated 10 ml water sample is added in the solution of natrium acetate and acetic acid whose pH is 6.5,and then titrated it by EDTA standard solution using EDTA slot at the oscillo polarographic as the end point.The chromaticity and turbidity don't disturb determination so there's no need to pretreat it.The operation is easy and rapid.Its standard error is lower than 1.0% and its difference coefficient is lower than 0.7%. |
| |
| Keywords: | oscillo polarographic titration water and waste water dissolved oxygen Mn 2+ |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
