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首页> 外文期刊>Materials Chemistry and Physics >Nucleation studies and crystal growth of (NH_4)H_2PO_4 doped with thiourea in supersaturated aqueous solutions
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Nucleation studies and crystal growth of (NH_4)H_2PO_4 doped with thiourea in supersaturated aqueous solutions

机译：硫脲掺杂的（NH_4）H_2PO_4在过饱和水溶液中的成核研究及晶体生长

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摘要

The metastable zone width studies were carried out for various temperatures for supersaturated aqueous solutions of ammonium dihydrogen orthophosphate added with 1 mol% of thiourea. The metastable zone width is increased with the addition of thiourea. The induction period was studied and various critical nucleation parameters were calculated based on the classical theory for homogeneous crystal nucleation. The induction period is increased with the increase of thiourea addition. The critical nucleation parameters vary with increase in doping concentration. The results are reported and discussed. The crystals were grown for various doping concentrations of thiourea and the morphological changes are discussed.
机译：对于添加了1 mol％硫脲的正磷酸二氢铵过饱和水溶液，在各种温度下进行了亚稳区域宽度研究。随着硫脲的加入，亚稳区的宽度增加。研究了诱导期，并基于经典的均匀晶体成核理论，计算了各种临界成核参数。诱导期随硫脲添加量的增加而增加。临界成核参数随掺杂浓度的增加而变化。报告结果并进行讨论。针对各种掺杂浓度的硫脲生长晶体，并讨论了形态变化。

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