| 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]. 湖南有色金属, 2003, 19(1): 42-43 |
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| 作者姓名： | 王敏 |
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| 作者单位： | 辽宁省辽中县辽河化工厂,辽宁,辽中,110200 |
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| 摘 要： | 介绍了以溴甲酚绿为指标剂，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。方法准确，操作简便。
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| 关 键 词： | 银电解液 连续滴定 硝酸 铜 银 |
| 文章编号： | 1003-5540(2003)01-0042-02 |
| 修稿时间： | 2002-09-20 |
Sequential Determination of Free Nitric Acid Copper and Silver in Silver Electrolysis Liquor |
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| WANG Min. Sequential Determination of Free Nitric Acid Copper and Silver in Silver Electrolysis Liquor[J]. Hunan Nonferrous Metals, 2003, 19(1): 42-43 |
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| Authors: | WANG Min |
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| Abstract: | In the silver electrolysis liquor,free nitric acid is titrated with sodium hydroxide with bromcresol green as indicator;copper is determinde by EDTA compleximetry with acetic acid as buffering agent;and then silver is titrated with sulfocyanate in diluted nitric acid medium.This method is accurate and easy to operate. |
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| Keywords: | Ag electrolysis liquor sequential determination nitric acid copper silver |
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