盐酸酸沉四钼酸铵结晶的成核研究

1.福州大学化学化工学院,福州,350002

2.福州大学化学化工学院,福州,350002

3.福州大学化学化工学院,福州,350002

4.福州大学化学化工学院,福州,350002

基金项目: 福建省教育厅科研项目(JA02155)

Study on the Nucleation Process of Ammonium Tetramolybdate

本文研究了用盐酸酸沉仲钼酸铵溶液制备四钼酸铵的成核过程,测量了以诱导期表示的成核速率,讨论了温度和过饱和比对成核速率的影响.结果表明,四钼酸铵过饱和溶液的成核速率随着温度的升高和过饱和比的增大而增大.确定了在实验的温度范围内均匀成核和非均匀成核之间的界限,并根据均匀成核理论计算了其成核特征参数.

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