| 组氨酸-Co(Ⅱ)光度法测定水中溶解氧的研究 |
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| 引用本文： | 王吉德,陶蕾,张翼,宋启军,罗茂盛.组氨酸-Co(Ⅱ)光度法测定水中溶解氧的研究[J].环境科学,1999,20(3):92-94. |
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| 作者姓名： | 王吉德 陶蕾 张翼 宋启军 罗茂盛 |
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| 作者单位： | 新疆大学化学系 |
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| 摘 要： | 以氧载体作显色体系，提出了组氨酸－Ｃｏ（Ⅱ）光度法测定水中溶解氧的方法；并用从实验中得到的（Ｃｏ）－（Ｏ２）关系，尝试用Ｃｏ标准溶液代替Ｏ２标准，解决了Ｏ２标准的难题。该方法简单、快速、取样量少、准确度高。ＤＯ的测定范围为０．１￣２０ｍｇ／Ｌ。
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| 关 键 词： | 光度法 DO 组氨酸 钴 氧载体 溶解氧 水 |
| 收稿时间： | 1998/8/28 0:00:00 |
Study on Spectrophotometry for Determining DO with Histidine-Co Complexe |
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| Wang Jide,Tao Lei,Zhang Yi,Song Qijun and Luo Maosheng.Study on Spectrophotometry for Determining DO with Histidine-Co Complexe[J].Chinese Journal of Environmental Science,1999,20(3):92-94. |
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| Authors: | Wang Jide Tao Lei Zhang Yi Song Qijun and Luo Maosheng |
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| Institution: | Chemistry Department of Xinjiang University, Urumqi 830046, China;Chemistry Department of Xinjiang University, Urumqi 830046, China;Chemistry Department of Xinjiang University, Urumqi 830046, China;Chemistry Department of Xinjiang University, Urumqi 830046, China;Chemistry Department of Xinjiang University, Urumqi 830046, China |
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| Abstract: | In this paper a new spectrophotometric method for determining
dissolved oxygen in water with HistidineCo complexe as a colour reagent is
investigated.According to the relationship of CoO2 found in experiment ACo standard curve is used
as calibrated curve instead of AO2 curve and the difficult of gaining the oxygen standard can be
sollved.It is a simple,fast,accurate and microanalysis method,the determining range of DO is 0120
mg/L. |
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| Keywords: | spectrophotometry dissolved oxygen histidine Cobalt oxygen carriers |
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