全部文献期刊会议图书|学者科研项目
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作者:Khalida Akhtar , Naila Zubair ...
来源:[J].Bulletin of Materials Science(IF 0.584), 2017, Vol.40 (3), pp.459-466
摘要:Uniform fine particles of zinc oxide were prepared in three different morphologies and sizes by the controlled precipitation process from aqueous solutions of zinc nitrate in the presence of ethylene glycol. Ammonium hydroxide solution was used as the precipitant. Compositio...
作者:Khalida Akhtar , Uzma Hira ...
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2018
摘要:Abstract(#br)Monodispersed spherical particles of ZrO 2 were synthesized in an aqueous medium by homogeneous precipitation without being using any capping agent. Results revealed that size and uniformity of the synthesized particles were greatly dependent upon the experiment...
作者:Naila ZUBAIR , Khalida AKHTAR
来源:[J].Transactions of Nonferrous Metals Society of China(IF 0.917), 2019, Vol.29 (1), pp.143-156
摘要:Abstract(#br)Zinc oxide uniform nanostructures with novel morphologies were synthesized through simple and fast ammonia based controlled precipitation method in aqueous media and in the absence of any additive. Selected batches of the synthesized solids were characterized by...
作者:Muhammad Gul , Khalida Akhtar
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2018, Vol.765, pp.1139-1147
摘要:Abstract(#br)The current study demonstrates the effect of partial substitution of Fe 3+ with Al 3+ ions in uniform manganese ferrite nanoparticles, MnAl x Fe 2-x O 4, (where x = 0.0, 0.2, 0.6 and 1.0), on ferritization temperature, phase changes, crystallographic properties,...
作者:Khalida Akhtar , Ikram Ul Haq , Khan Malook
来源:[J].Powder Technology(IF 2.024), 2015, Vol.283, pp.505-511
摘要:Abstract(#br)Monosize spheroidal porous particles of copper oxide were produced by controlled calcination of the copper basic carbonate particles, synthesized by the urea-based homogeneous precipitation process. After characterization by various physical methods, such as SEM, XRD...
作者:Khalida Akhtar , Hina Khalid ...
来源:[J].Tribology International(IF 1.536), 2016, Vol.93, pp.58-62
摘要:Abstract(#br)This study deals with the isolation of quartz-enriched ash from the rice husk by heating at 450 °C and subsequent treatment with an acid solution. It was characterized by scanning electron microscopy, X-ray diffracometry and energy-dispersive X-ray analysis. Var...
作者:Khalida Akhtar , Muhammad Gul ...
来源:[J].Ceramics International(IF 1.789), 2016
摘要:Abstract(#br)Pure and chromium doped manganese ferrite ( Mn Cr x Fe 2 − x O 4 with x=0.0, 0.2, 0.6, 1.0) uniform particles were synthesized by chemical precipitation in surfactant-free aqueous medium and characterized by various physical techniques such as SEM, XRD, EDX, TG/...
作者:Khalida Akhtar , Ikram Ul Haq
来源:[J].Clinica Chimica Acta(IF 2.85), 2013, Vol.418, pp.12-16
摘要:Abstract(#br)Background(#br)We explored that the presence of nickel ions in the precipitation medium affected size, shape and crystalline phase of the precipitated particles of calcium oxalate, whereas the applied synthesis conditions strongly influenced their uniformity.(#br)Met...
作者:Khalida Akhtar , Tahir. I. Khan
来源:[J].Surface & Coatings Technology(IF 1.941), 2013, Vol.235, pp.691-698
摘要:Abstract(#br)Aqueous solutions, containing appropriate amounts of sodium dihydrogen phosphate and iron chloride, were transformed into dispersions of the precipitated particles of iron oxide by heating them at 98 °C for various periods of time (24–94 h) in tightly stoppered ...
作者:Ikram Ul Haq , Khalida Akhtar , Khan Malook
来源:[J].Materials Research Bulletin(IF 1.913), 2014, Vol.57, pp.121-126
摘要:Abstract(#br)Monodispersed powders of c opper oxide precursor were produced in spherical and bipyramidal particle morphologies by the urea-based homogenous precipitation method. Composition of the starting reactant mixtures and synthesis conditions had significant effect on ...

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