Author： Edrissi M Soleymani M Tajik S
Publisher： Maney Publishing
ISSN： 1066-7857
Source： Materials Technology: Advanced Performance Materials, Vol.28, Iss.3, 2013-05, pp. : 129-133
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Abstract
Two novel methods are reported for the preparation of HgO nanoparticles in the laboratory scale. The first one is a solubility difference method based on the interconversion of sparingly soluble magnesium hydroxide to less soluble Hg(OH)2 in the presence of oleic acid. The latter hydroxide decomposes to HgO at room temperature (mean particle size 5.2 nm). Mercuric nanoparticles were also synthesised by thermolysis of Hg(DDTT)2 chelate (mean particle size 4.1 nm). The preparation procedures were optimised using L4 Taguchi orthogonal design. The synthesized nanoparticles were characterised by X-ray powder diffraction, TEM, Brunner–Emmet–Teller method, dynamic laser light scattering, thermogravimetric analysis and chemical analysis.
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