Abstract

AbstractThe adsorption of methylene blue from different aqueous solutions by dead yeast cells follows Freundlich's law when the percentage of dead cells varies from 0 to 100. When the Fink and Kühles methylene blue was used, there was observed a linear relation between the percentage of dead cells and the dye concentration at the equilibrium. The experimental errors were measured. A simpler and more precise colorimetric method for determining the percentage of dead yeast cells is deseribed.

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