Solid-Soluted Content of Neodymium in Solid Solution of Sphene

TENG Yuan-cheng; ZENG Chong-sheng; REN Xue-tan; WANG Jin; LIU Min; XU Hui-jie

doi:10.7538/yzk.2009.43.02.0138

Atomic Energy Science and Technology > 2009 > 43(2): 138-143. > DOI: 10.7538/yzk.2009.43.02.0138

TENG Yuan-cheng, ZENG Chong-sheng, REN Xue-tan, WANG Jin, LIU Min, XU Hui-jie. Solid-Soluted Content of Neodymium in Solid Solution of Sphene[J]. Atomic Energy Science and Technology, 2009, 43(2): 138-143. DOI: 10.7538/yzk.2009.43.02.0138

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Solid-Soluted Content of Neodymium in Solid Solution of Sphene

Southwest University of Science and Technology, Mianyang 621010, China

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Received Date: December 31, 1899
Revised Date: August 10, 2008

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Abstract

The solid-state reaction synthesis of sphene were studied by using CaCO₃, TiO₂, H₂SiO₃, Nd₂O₃ and Al₂O₃ as raw materials to prepare of sphene synroc, and by means of XRD, EDS and SEM analysis as well. The influence of Al³⁺ ion introduction to sphene on the immobilization quantity of neodymium in sphene synroc was studied. When Al3+ was introduced to sphene as compensation of electricity price, Nd³⁺ could be well solidified to Ca₁-_yNd_yTi_1-yAl_ySiO₅. The immobilization quantity is in the range of 12.3%-13.56%. With no compensation of electricity price, Nd³⁺ would be more difficulty to be solidified to Ca_1-3/2yNd_yTiSiO₅. The immobilization quantity is approximately 3.5%. The appropriate synthesis temperature of sphene solid solution is 1 270 ℃.
- sphene,
- solid solution,
- neodymium,
- solid-soluted content

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