库仑-称重法及其测量电镀锡板镀层厚度的研究

电化学（中英文） ›› 2004, Vol. 10 ›› Issue (1): 102-106.

库仑-称重法及其测量电镀锡板镀层厚度的研究

董秀文,李岩,刘建国,凌国伟

辽宁出入境检验检疫局,辽宁出入境检验检疫局,武汉材料保护研究所,武汉材料保护研究所辽宁大连116001 ,辽宁大连116001 ,湖北武汉430030 ,湖北武汉430030

收稿日期:2004-02-28 修回日期:2004-02-28 出版日期:2004-02-28 发布日期:2004-02-28

Coulometric-Weighing Test Method and Its Application in Determination of Tin Coating Mass for Electrolytic Tinplate

DONG Xiu-wen~

(1), LI Yan~1 , LIU Jian-guo~2, LIN Guo-wei~2 (1.Liaoning Entry-Exit Inspection and Quarantine Bureau, Dalian 116001,China, 2.Wuhan Research Institute of Materials Protection, Wuhan 430030,China

Received:2004-02-28 Revised:2004-02-28 Published:2004-02-28 Online:2004-02-28

摘要/Abstract

摘要： 　建立并应用库仑-称重法测量电镀锡板镀层.该法不需考虑库仑法中的电量、电流效率和电化当量等影响因素,同时克服了称重法在判断溶解终点时的盲目性,具有较高的精度,SD小于0.04g/m2,RSD不超过0.36%.

关键词: 库仑-称重法, 镀层测定, 电镀锡板

Abstract: The coulometric-weighing test method was established and applied to determine the tin coating mass for electrolytic timplate. The effects of electric quantity, the current efficiency and the electrochemical equivalent in the coulometric test method were overcome. the inaccuracy in the determination of final point at the anodic dissolution curve in the weighing method was avoided when applied to the electrolytic timplate, higher accuracy was obtained, the SD is less than 0.04 g/m~2,RSD is as small as 0.36%.

Key words: Coulometric-weighting test method, Coating mass determination, Electrolytic tinplate

中图分类号:

O657.12

董秀文,李岩,刘建国,凌国伟. 库仑-称重法及其测量电镀锡板镀层厚度的研究[J]. 电化学（中英文）, 2004, 10(1): 102-106.

DONG Xiu-wen~. Coulometric-Weighing Test Method and Its Application in Determination of Tin Coating Mass for Electrolytic Tinplate[J]. Journal of Electrochemistry, 2004, 10(1): 102-106.

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