Quím. Nova vol.34 número3

The iodine number is used to measure the porosity of the activated carbon by adsorption of iodine from solution. Each 1.0 mg of iodine adsorbed is ideally considered to represent

Keywords : Pore and surface effective diffusion; Method of volume averaging; Granular activated carbon; Pyridine

In addition, the external surface area, micropore area, and micropore volume of the catalysts were all lower than those of the parent zeolite NaY (Table 1) and tended to decrease

Esta zona, que se pode apresentar amarelada, castanha ou negra, não excede em geral três milí- metros de largura e não é sempre concêntrica ao orifício de entrada, mas sim

A implementação de uma avaliação potenciadora das aprendizagens e de regulação do processo de ensino-aprendizagem é de vital importância numa Escola onde a

From secretion to maturation phase of amelogenesis, the nucleus volume decreased 23% and cytoplasm volume did not show significant changes; the total volume and surface of the

In this article, the preparation and characterization of activated carbons from eucalyptus sawdust were reported and the adsorption equilibrium of methylene blue and phenol

The evaluated Parameters included: total pore count, total pore volume, mean pore volume, total porosity (% of pore volume in relation to total sealer volume) and mean pore