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Study of heterogeneous suspensions: A new quantitative approach coupling laser granulometry and UV–vis spectrophotometry

Abstract : The aim of this work is to propose a complementary approach, in order to study heterogeneous fractions from papermaking industries, strongly differing in chemical nature, size and shape of particles. This approach is based on two optical methods: UV–vis spectrophotometry and laser granulometry. Heterogeneity of fractions, especially related to particle size, increases difficulty to perform an analytical approach over a large particle size scale. Methodology is developed on model mixtures in order to highlight limitations, either for a qualitative or a quantitative control, in so far as quantification efficiency could depend on mass transfer phenomena.
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https://hal.mines-ales.fr/hal-03181048
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Submitted on : Tuesday, June 1, 2021 - 1:32:08 PM
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Sylvie Bayle, Nathalie Azéma, Catherine Berho, Marie-Florence Pouet, Jose-Marie Lopez-Cuesta, et al.. Study of heterogeneous suspensions: A new quantitative approach coupling laser granulometry and UV–vis spectrophotometry. Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier, 2005, 262 (1-3), pp.242-250. ⟨10.1016/j.colsurfa.2005.04.040⟩. ⟨hal-03181048⟩

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