Experimental method for the purification and reconditioning of ferrofluids

The paper presents the theoretical aspects regarding the magnetogravimetric purification of ferrofluids both in the process of preparation and for their reconditioning from impurities. An experimental device used for magnetogravimetric purification is described together with experiments on some samp...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1987-03, Vol.65 (2), p.242-244
Main Author: Cotae, Constantin
Format: Article
Language:English
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Summary:The paper presents the theoretical aspects regarding the magnetogravimetric purification of ferrofluids both in the process of preparation and for their reconditioning from impurities. An experimental device used for magnetogravimetric purification is described together with experiments on some samples of oil-based ferrofluid that became impure with non-mixible solid, liquid, magnetic and nonmagnetic ingredients. The experiments resulted in a complete purification of the ferrofluid samples.
ISSN:0304-8853
DOI:10.1016/0304-8853(87)90042-4