| 连续测定银电解液中游离硝酸及铜银 |
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| 引用本文： | 王敏.连续测定银电解液中游离硝酸及铜银[J].上海有色金属,2003,24(4):182-184. |
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| 作者姓名： | 王敏 |
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| 作者单位： | 辽河化工厂,辽宁辽中,110200 |
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| 摘 要： | 介绍了以溴甲酚绿为指示剂，用氢氧化钠滴定游离硝酸，在醋酸缓冲液存在下以DETA络合滴定铜(Ⅱ)，再用铁铵矾为指示剂，在稀硝酸介质中以硫氰酸盐滴定银。
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| 关 键 词： | 硝酸 铜 银 银电解液 测定 溴甲酚绿 滴定分析 |
| 文章编号： | 1005-2046(2003)04-0182-03 |
| 修稿时间： | 2002年12月6日 |
Sequential Determination of Free Nitric Acid,Copper and Silver in Silver Electrolyte |
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| WANG Min.Sequential Determination of Free Nitric Acid,Copper and Silver in Silver Electrolyte[J].Shanghai Nonferrous Metals,2003,24(4):182-184. |
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| Authors: | WANG Min |
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| Abstract: | In the silver electrolyte,free nitric acid is titrated with sodium hydroxide with bromcresol green.Copper is determined by EDTA compleximetry with acetic acid as buffering agent.Then copper is titrated with sulfocyanate in diluted nitric acid medium. |
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| Keywords: | silver electrolyte sequential titration nitric acid copper silver |
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