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

Sylvie Bayle 1 Nathalie Azéma 1 Catherine Berho 2 Marie-Florence Pouet 2 Jose-Marie Lopez-Cuesta 1 Olivier Thomas 2
1 CMGD - Centre des Matériaux de Grande Diffusion
2 LGEI - Laboratoire de Génie de l'Environnement Industriel
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.
Keywords : UV–vis spectrophotometry Laser granulometry Scattering Colloids Suspensions Quantification
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Journal articles
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https://hal.mines-ales.fr/hal-03181048
Contributor : Administrateur Imt - Mines Alès <>
Submitted on : Thursday, March 25, 2021 - 1:44:43 PM
Last modification on : Saturday, March 27, 2021 - 3:06:06 AM

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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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