一种求铁质文物脱氯过程中扩散系数的理论方法
首发时间:2019-04-30
摘要:铁质文物腐蚀产物层中存在的氯离子会加速文物基体的腐蚀,一般为了快速除去腐蚀产物层中的氯离子,通常会在电场存在下进行除氯工作,本文从理论上得到了一个公式,根据这个公式,就可以从实验得到的氯离子浓度分布曲线上求得氯离子的扩散系数和离子淌度。
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A theoretical method for calculating the diffusion coefficient of iron relics in dechlorination process
Abstract:The chloride ions in the corrosion product layer of iron relics will accelerate the corrosion of the relics. Generally, in order to remove the chloride ions in the corrosion product layer quickly, the chlorine removal is usually carried out in the presence of electric field. In this paper, a formula is obtained theoretically. According to this formula, the diffusion coefficient and mobility of chloride ion can be obtained from the concentration distribution curve of chloride ion obtained in the experiment.
Keywords: Dechlorination of iron cultural relics Diffusion coefficient The theoretical study
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一种求铁质文物脱氯过程中扩散系数的理论方法
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