碳化钨在水中氧化与溶解的研究

2011 Second International Conference on Mechanic Automation and Control Engineering Pub Date : 2011-07-15 DOI:10.1109/MACE.2011.5987278

X. Jia, Xiaoxin Chen, X. Zhang

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引用次数: 3

摘要

用电导率仪测定了碳化钨粉在水中的电导率变化，研究了碳化钨粉在水中氧化和溶解的程度。通过测定不同悬浮液的浓度、温度、浸泡时间和pH值随时间的变化，测定了不同悬浮液的电导率。同时，研究了不同水介质对碳化钨粉末氧化和溶解的影响。实验数据表明，电导的变化是碳化钨在水中氧化和溶解的结果。由于不同悬浮液的pH值变化较大，可能会形成钨酸盐离子，同时发生质子离解。

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Study on oxidation and dissolution of tungsten carbide in water

The conductance changes of tungsten carbide powder in water were investigated in order to study the extent of its oxidation and dissolution by Conductivity Meter. The conductances of different suspension were determined as the changes of concentration, temperature, immersion time and pH values with time were measured in this article. Simultaneously, different aqueous media impacting on oxidation and dissolution of tungsten carbide powder was also studied. The experimental data show that conductance changes results from the oxidation and dissolution of tungsten carbide in water. Owing to pH values in different suspension change significantly, There may be formed tungstate ions and dissociated the proton dissociation at the same time.

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2011 Second International Conference on Mechanic Automation and Control Engineering

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