Contact angle measurements at the colemanite and realgar surfaces

Koca S., Savas M.

APPLIED SURFACE SCIENCE, vol.225, pp.347-355, 2004 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 225
  • Publication Date: 2004
  • Doi Number: 10.1016/j.apsusc.2003.10.024
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.347-355
  • Eskisehir Osmangazi University Affiliated: Yes


Colemanite is one of the most important boron minerals and covers an important part of Turkey's boron mineral deposits. The friable nature of the colemanite tends to produce a large amount of fines. Flotation appears to be a promising technique to recover colemanite from such fines. During flotation process, selectivity problem arises between colemanite and associated gangue minerals such as realgar. There is a close relationship between floatability of minerals and contact angle. Therefore, surface hydrophobicity of colemanite and realgar minerals were investigated by receding contact angle measurements in the absence and presence of flotation reagents.