Influence of Several Factors on the Applicability of Freundlich's Law to the Adsorption of Methylene Blue by Dead Yeast Cells1

AUTOR(ES)

Vairo, Marina L. R.

RESUMO

The influence of the following factors on the methylene blue adsorption by dead yeast cells was studied: temperature and time of heating used to kill the cell, storage of the suspensions of dead yeast, pH of the suspension during dyeing, buffer composition, and age of the yeast culture. Great variations of the adsorption law coefficients, caused by small experimental variations of the cell concentration or the dye concentration, were found. It was also observed that a linear relationship exists between these coefficients.

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