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Number of results
2007 | 9 | 2 | 27-29

Article title

Pigments precipitated from chromate post-galvanic solutions in emulsion systems

Content

Title variants

Languages of publication

EN

Abstracts

EN
Studies were conducted on the production of chromium(III) silicates, the green pro-ecological pigments. The pigments were precipitated from sodium silicate and chromium(III) sulphate solutions in the system of two emulsions prepared in hexane in the presence of a non-ionic surfactant as an emulsifier. The chromium(III) sulphate represented a reduction product of chromate(VI) compounds present in post-galvanic wastes. The reduction agent involved metanal in an acidic medium. The obtained products were subjected to a comprehensive physicochemical analysis, their dispersive and morphological properties were determined. The precipitated green products exhibiting intense colour, were uniform and their particles manifested a low tendency to form agglomerate structures.

Publisher

Year

Volume

9

Issue

2

Pages

27-29

Physical description

Dates

published
1 - 1 - 2007
online
19 - 10 - 2007

Contributors

  • Institute of Chemical Technology and Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 2, 60-965 Poznań, Poland
  • Institute of Chemical Technology and Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 2, 60-965 Poznań, Poland
  • Institute of Chemical Technology and Engineering, Poznan University of Technology, pl. M. Sklodowskiej-Curie 2, 60-965 Poznań, Poland

References

  • Krysztafkiewicz A.: Modified calcium silicates as active rubber fillers, J. Mater. Sci., 1987, 22, 478.[Crossref]
  • Krysztafkiewicz A., Modified zinc silicate - an active rubber activator and filler, J. Mater. Sci., 1988, 23, 2407.[Crossref]
  • Krysztafkiewicz A., Werner R., Lipska K. L., Jesionowski T.: Effect of silane coupling agents on properties of precipitated sodium-aluminium silicates, Colloids Surf. A, 2001, 182, 73.
  • Klapiszewska B., Krysztafkiewicz A., Jesionowski T.: Pigment Resin Technol., 2005, 34, 139.
  • Lambourne R., Strivens T. A.: Pain and Surface Coating, Woodhead Publishing Ltd., Cambridge, 1999.
  • Endriß H.: Inorganic Coloured Pigments Today, Verlag, Hannover, 1998.
  • Michalska I., Krysztafkiewicz A., Bogacki M. B., Jesionowski T.: Preparation and characterization of precipitated zinc silicate, J. Chem. Technol. Biot., 2003, 78, 452.[Crossref]
  • Klapiszewska B., Krysztafkiewicz A., Jesionowski T.: Highly dispersed green silicate and oxide pigments precipitated from post-galvanic refuse, Environ. Sci. Technol., 2003, 37, 4811.[Crossref]

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_v10026-007-0019-6
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