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Effect Of Lead Chloride On The Growth And Surface Properties Of Potassium Chloride Crystals From Aqueous Solutions

Author

Listed:
  • JIBAN PODDER

    (Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada)

  • RICHARD WILLIAM EVITTS

    (Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada)

  • ROBERT WILLIAM BESANT

    (Department of Mechanical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada)

Abstract

Pure potassium chloride (KCl) and lead chloride (PbCl2)-dopedKClcrystals were grown from saturated aqueous solutions by a solvent evaporation process. The effects ofPb2+on the surface morphology, structural and mechanical properties ofKClcrystal were investigated. The surface morphology of the cubic structured crystals was studied by scanning electron microscopy (SEM), X-ray diffraction and the elemental mappings at the microstructural level were determined by energy dispersive X-ray (EDX) spectroscopy. The mass growth rate was found to decrease when thePb2+ions were present and the volume growth flux was also found to decrease with time and initial concentration of impurity. A Vickers micro-hardness study shows thatPb-dopedKClcrystals are harder than pureKClcrystals.

Suggested Citation

  • Jiban Podder & Richard William Evitts & Robert William Besant, 2014. "Effect Of Lead Chloride On The Growth And Surface Properties Of Potassium Chloride Crystals From Aqueous Solutions," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 21(04), pages 1-8.
    • Handle: RePEc:wsi:srlxxx:v:21:y:2014:i:04:n:s0218625x14500449
    DOI: 10.1142/S0218625X14500449
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