Research progress in chemical composition and phase analysis methods for titanium ore
XIA Chuanbo1,2, WANG Qing1,2, ZHANG Wenjuan1,2, JIANG Yun1,2, WANG Zhiming1,2, ZHAO Wei*1,2
1. Shandong Institute of Geological Sciences, Jinan 250013, China; 2. Key Laboratory of Geological Processes for Mineralization of Metal Minerals and Resource Utilization in Shandong Province, Jinan 250013, China
Abstract：Titanium ore is a kind of ore that is difficultly decomposed. The high content of titanium, which is easily hydrolyzed to form insoluble metatitanic acid precipitation, brings more difficulties to the analysis and determination. The research progress in composition analysis methods, chemical phase analysis methods and the development of reference materials for titanium ores such as ilmenite, vanadium-titanium magnetite and rutile in the past ten years was summarized and reviewed. The chemical composition analysis techniques included sample decomposition methods, titrimetry, spectrophotometry, inductively coupled plasma-atomic emission spectrometry (ICP-AES), inductively coupled plasma mass spectrometry (ICP-MS) and X-ray fluorescence spectroscopy (XRF). The separation methods of titanium-containing and iron-containing mineral phases in titanium ore were discussed. The reference materials of titanium ore for chemical composition and phase analysis developed in China were briefly introduced. Combined with the current status of domestic titanium ore analysis methods, some suggestions were proposed for the development prospects of titanium ore analysis technology.
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