Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 11 No. 4, Issue of October 15, 2008
 


Figure 3. Aluminium filter plates with 16 indentation-perforations showing upper surface with depressions (a), and the lower surface (b) with 1 mm diameter bevelled openings.


  Supported by UNESCO / MIRCEN network