[1]岑传铨,庄秀润.滴汞电极2.5次微分电分析法直接测定钨精矿中锡含量[J].华侨大学学报(自然科学版),1987,8(3):267-271.[doi:10.11830/ISSN.1000-5013.1987.03.0267]
Cen Chuanquan,Zhuang Xiurun.2.5 Order Differential Electroanalysis of Tin in Wolfram Ore with Dropping Mercury Electrode[J].Journal of Huaqiao University(Natural Science),1987,8(3):267-271.[doi:10.11830/ISSN.1000-5013.1987.03.0267]
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滴汞电极2.5次微分电分析法直接测定钨精矿中锡含量(
)
《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]
- 卷:
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第8卷
- 期数:
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1987年第3期
- 页码:
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267-271
- 栏目:
-
- 出版日期:
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1987-07-20
文章信息/Info
- Title:
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2.5 Order Differential Electroanalysis of Tin in Wolfram Ore with Dropping Mercury Electrode
- 作者:
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岑传铨; 庄秀润
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华侨大学应用化学系; 华侨大学应用化学系
- Author(s):
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Cen Chuanquan; Zhuang Xiurun
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-
- 关键词:
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钨精矿; 电分析法; 滴汞电极; 锡含量; 次微分; 直接测定; 初步探讨; 半微分电分析; 氯化钠; 回收率
- DOI:
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10.11830/ISSN.1000-5013.1987.03.0267
- 摘要:
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根据多阶半微分电分析法具有高灵敏度,高分辨率的特点,本文选用氯化四苯砷-硫酸-氯化钠作底液能大大提高锡测定的灵敏度。峰电位Ep为-0.56V(vs SCE),锡含量在1.2×10-9—4×10-8g/ml范围内峰高与浓度成线性关系。对钨精矿中锡含量测定结果满意,回收率为98—102%。同时对极谱波的性质进行了初步探讨。
- Abstract:
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The method of semidifferential electro-analysis is characterized by high sensitivity and high resolution.According to this, tetraphenyl arsonium chloride-sulfuric acid-sodium chloride are chosen in this paper as supporting electrolytes which enhance the s
更新日期/Last Update:
2014-03-22