诱导期
过饱和度
句号(音乐)
不对称诱导
试剂
化学
数学归纳法
感应加热
电磁感应
分析化学(期刊)
无机化学
矿物学
色谱法
催化作用
生物化学
物理化学
有机化学
数学
物理
几何学
量子力学
声学
电磁线圈
对映选择合成
作者
Clifford Y. Tai,Wen‐Chen Chien
标识
DOI:10.1016/s0022-0248(01)02241-2
摘要
The induction period is defined as the time elapsed between the creation of supersaturation and the formation of critical nuclei. A novel data acquisition system is developed in this experiment to determine the induction period on the desupersaturation curve. The effect of several operating conditions, including initial reagent concentration, temperature, pH, and presence of additive and seeds on the induction period of CaCO3 were studied experimentally. The results showed that the induction period decreases with an increase in initial reagent concentration, temperature, and pH of the solution. The presence of Mg2+ in solution prolongs the induction period. On the other hand, the presence of Na+ in solution has little influence on the induction period. Further, the presence of seed crystals in solution shortens the induction period.
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