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A fast one-pot synthesize of crystalline anglesite by hydrothermal synthesis for environmental assessment on pure phase

Abstract : Anglesite (PbSO4) is a lead sulfate that belongs to the barite group and is naturally ubiquitous in the environment. This work describes a simple way to synthesize crystalline lead sulfate by using a straightforward hydrothermal procedure. Typically, Pb(NO3)2 and Fe2(SO4)3 precursors were mixed and heated at 94°C for 24h. The synthesized samples have been characterized by coupling X-Ray diffraction (XRD) to spectroscopic methods (FTIR and micro-Raman), X-ray absorption spectroscopy (XAS) and electronic microscopy (SEM and TEM). In fine, the results about this new well crystalline synthetic anglesite confirm the efficiency and the importance of this cheap protocol and the synthesized phases obtained. Moreover, the environmental stability and bioaccessibility of anglesite has been done to evaluate environmental stability of anglesite 2 under various physico-chemical conditions and sanitary risks. Finally, the paper allows to obtain precise data on a pure phase in order to be able to more easily evaluate and understand the role of anglesite in As-polluted sites and soils.
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https://hal-amu.archives-ouvertes.fr/hal-03629156
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Submitted on : Monday, April 4, 2022 - 10:27:23 AM
Last modification on : Thursday, May 5, 2022 - 5:26:10 PM

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Matthias Monneron--Gyurits, Emmanuel Joussein, Alexandra Courtin- Nomade, O. Grauby, Erwan Paineau, et al.. A fast one-pot synthesize of crystalline anglesite by hydrothermal synthesis for environmental assessment on pure phase. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2021, ⟨10.1007/s11356-021-17011-6⟩. ⟨hal-03629156⟩

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