埃氏磷灰石型磷灰石的晶体化学特征：对有毒金属固定的影响
Crystal chemical characteristics of ellestadite-type apatite: implications for toxic metal immobilization.
作者信息
Fang Y N, Ritter Clemens, White T J
机构信息
School of Materials Science & Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.
出版信息
Dalton Trans. 2014 Nov 14;43(42):16031-43. doi: 10.1039/c4dt02088j.
The ellestadite apatites Ca10[(SiO4)x(PO4)6-2x(SO4)x]Cl2 were studied by powder X-ray and neutron diffraction to establish baseline crystallographic data. These synthetic materials, unlike mineral specimens that are well equilibrated, show no Si/P/S ordering and conform to P63/m symmetry. Phosphate-rich ellestadites where 0 ≤ x ≤ 1 show chemical stability towards Toxicity Characterization Leaching Procedure (TCLP) testing and are potential immobilization matrices for mixed toxic metal wastes.
通过粉末X射线和中子衍射对钙钛矿磷灰石Ca10[(SiO4)x(PO4)6-2x(SO4)x]Cl2进行了研究，以建立基线晶体学数据。与平衡良好的矿物标本不同，这些合成材料没有Si/P/S有序排列，符合P63/m对称性。富含磷酸盐的钙钛矿（0≤x≤1）对毒性特征浸出程序（TCLP）测试显示出化学稳定性，是混合有毒金属废物的潜在固定基质。
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