Magnetic and X-ray Studies of Nanodispersed Magnetite Synthesized from Chrome Containing Galvanic Sludge

Автор(ы) V.M. Makarov1 , S.Z. Kalaeva1 , I.N. Zakharova1, I.A. Nevzorov1, M.S. Maltseva1, A.M. Shipilin2 , M.G. Krzhizhanovskaya3

1 Yaroslavl State Technical University, 88, Moskovskij Prosp., 150053 Yaroslavl, Russia

2 M.V. Lomonosov Moscow State University, 1, Leninskiye Gory, 119991 Moscow, Russia

3 Saint-Petersburg State University, 7-9, University Emb., 199034 St. Petersburg, Russia

Выпуск Том 7, Год 2015, Номер 4
Даты Получено 28.09.2015, опубликовано online – 10.12.2015
Ссылка V.M. Makarov, S.Z. Kalaeva, I.N. Zakharova, et al., J. Nano- Electron. Phys. 7 No 4, 04010 (2015)
PACS Number(s) 82.45.Aa. 82.80.Ej
Ключевые слова Magnetite (5) , Electrocoagulation, Calcination temperature, Powder XRD (2) , Magnetization (18) .
Аннотация In the current work we discuss the processes occurring along with the temperature treatment of the samples of chromium containing sludge. The results of powder X-ray diffraction and vibrational magnetometry show that magnetite forms in the samples with the increase of the calcination temperature higher than 500 °C. Its quantity increases with the heating, which is clearly visible from the value of saturation magnetization obtained for the samples after various temperature treatments.

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