MATEC Web of Conferences
Volume 19, 2014The 2nd International Youth Forum “Smart Grids”
|Number of page(s)
|15 December 2014
Energy and resource saving raw materials for dactyloscopy
National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
1 Corresponding author: firstname.lastname@example.org
The “developing” properties of ferromagnetic fingerprint powders are defined by the chemical nature and the particle sizes of the pigment which form acidity of its surface, adhesive and magnetic properties, and color spectrum. The optimum ratio of these physical and chemical parameters is observed in the pigment consisting of iron-containing sludge tempered at 800°C, which contains α-Fe2O3 and impurity of clay materials.
© Owned by the authors, published by EDP Sciences, 2014
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