Nucleation studies in supersaturated aqueous solutions of urea and thiourea doped with inorganic dopants | Zendy

John KAVITHA | Zendy; K Seethalakshmi | Zendy; C.K. Mahadevan | Zendy; Y. Premila Rachelin | Zendy

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Nucleation studies in supersaturated aqueous solutions of urea and thiourea doped with inorganic dopants

Author(s) -

John KAVITHA,

K Seethalakshmi,

C.K. Mahadevan,

Y. Premila Rachelin

Publication year - 1999

Publication title -

bulletin of materials science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.35

H-Index - 72

eISSN - 0973-7669

pISSN - 0250-4707

DOI - 10.1007/bf02745613

Subject(s) - nucleation , supersaturation , thiourea , materials science , aqueous solution , doping , dopant , urea , crystal (programming language) , homogeneous , inorganic chemistry , chemistry , thermodynamics , organic chemistry , physics , optoelectronics , computer science , programming language

Induction periods were measured for various supersaturated aqueous solutions of urea doped separately with NH4NO3 and NaNO3 and thiourea doped separately with NaCl and KCI by the direct vision method. Based on classical theory for homogeneous crystal nucleation various critical nucleation parameters were calculated and the results are reported and discussed. In all the cases, the critical nucleation parameters increased with increase in doping concentration.

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