Production of uniform akaganeite (β-FeOOH) crystals by hydrolysis
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Abstract
This report deals with the production of monodisperse β-FeOOH fibres by hydrolysis. The aim of the work was to obtain monodisperse fibres for inhalation experiments in a lung model. After a short introduction on crystallography, the formation of β-FeOOH or akaganeite is presented. The reaction steps that lead to the growth of akaganeite are presented as far as they are known. The elongated growth shape of akaganeite is explained from crystallographic theory, and some hypotheses on the presence of twins and the promotion of large and uniform crystals are given…