Recent progress on synthesis and structural aspects of rare-earth phosphates

SN Achary, S Bevara, AK Tyagi - Coordination Chemistry Reviews, 2017 - Elsevier
In this article a brief review of recent progress on preparation and crystal chemistry of rare-
earth phosphates have been presented. The article begins with a brief note on the rare …

A critical review of the solution chemistry, solubility, and thermodynamics of europium: Recent advances on the Eu3+ aqua ion and the Eu (III) aqueous complexes …

N Jordan, T Thoenen, S Starke, K Spahiu… - Coordination Chemistry …, 2022 - Elsevier
This review provides a critical assessment of the published thermodynamic data of the Eu 3+
aqua ion as well as complexation constants and solubility products of Eu (III) with the SO 4 …

Reactive-transport modeling of neodymium and its radiogenic isotope in deep-sea sediments: The roles of authigenesis, marine silicate weathering and reverse …

J Du, BA Haley, AC Mix, AN Abbott, J McManus… - Earth and Planetary …, 2022 - Elsevier
Abstract Dissolved Rare Earth Elements (REE) and radiogenic neodymium (Nd) isotope
composition (ε Nd) of seawater are widely used geochemical tools in studying marine …

Monazite, rhabdophane, xenotime & churchite: Vibrational spectroscopy of gadolinium phosphate polymorphs

N Clavier, A Mesbah, S Szenknect… - Spectrochimica Acta Part A …, 2018 - Elsevier
Rare-earth phosphates with the general formula REEPO 4· nH 2 O belong to four distinct
structural types: monazite, rhabdophane, churchite, and xenotime. We report herein the first …

Optimized thermodynamic properties of REE aqueous species (REE3+ and REEOH2+) and experimental database for modeling the solubility of REE phosphate …

R Pan, AP Gysi, GD Miron, C Zhu - Chemical Geology, 2024 - Elsevier
Rare earth elements (REE) are critical elements found in monazite, xenotime, and hydrated
REE phosphates which typically form in hydrothermal mineral deposits. Accurate predictions …

New insights into phosphate based materials for the immobilisation of actinides

S Neumeier, Y Arinicheva, Y Ji, JM Heuser… - Radiochimica …, 2017 - degruyter.com
This paper focuses on major phosphate-based ceramic materials relevant for the
immobilisation of Pu, minor actinides, fission and activation products. Key points addressed …

Incorporation of Th4+ and Sr2+ into Rhabdophane/Monazite by Wet Chemistry: Structure and Phase Stability

X Zhao, W Wang, Y Teng, Y Li, X Ma, Y Liu… - Inorganic …, 2023 - ACS Publications
Rhabdophane is an important permeable reactive barrier to enrich radionuclides from
groundwater and has been envisaged to host radionuclides in the backend of the nuclear …

Study on the leaching behavior differences of rare earth elements from coal gangue through calcination-acid leaching

H Chen, L Zhang, J Pan, X Long, X He, S Shi… - Separation and …, 2024 - Elsevier
Critical metals in coal-based byproducts have been gradually regarded as one of the most
important alternative resources due to the market parameters, strategic perspective, and …

Formation of rhabdophane-structured lanthanum orthophosphate nanoparticles in an im**ing-jets microreactor and rheological properties of sols based on them

OV Proskurina, EV Sivtsov, MO Enikeeva… - Наносистемы …, 2019 - cyberleninka.ru
A free im**ing-jets microreactor was used for synthesizing rhabdophane-structured
LaPO4 sols. The rheological behavior was investigated for the sols obtained both by …

In pursuit of the rhabdophane crystal structure: from the hydrated monoclinic LnPO4. 0.667 H2O to the hexagonal LnPO4 (Ln= Nd, Sm, Gd, Eu and Dy)

A Mesbah, N Clavier, E Elkaim, S Szenknect… - Journal of Solid State …, 2017 - Elsevier
The dehydration process of the hydrated rhabdophane LnPO 4. 0.667 H 2 O (Ln= La to Dy)
was thoroughly studied over the combination of in situ high resolution synchrotron powder …