The influence of surface active substances various concentrations on goethite nanoparticles magnetic propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Goethite nanopowder was prepared in the process of chemical precipitation of iron salt (FeCl3) and alkali (NaOH) with addition of various surface active substances: cation-active cetylpyridinium chloride, anion-active sodium dodecyl sulphate and complexon EDTA. Study of magnetic characteristics and phase composition of obtained nanoparticles was carried out using Mossbauer spectroscopy and thermomagnetic analysis.It was suggested, that different organic Fe(III)-complexes formed on goethite surface under SAS influence take part in the goethite crystallization process.