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稀土铌钽酸盐矿物主要有易解石(TR,Ca、Th)(Ti,Nb)_2O_6,烧绿石(Na,Ca)_2(Nb,Ti)_2O_6[F,OH],褐铈铌矿(∑Ce,∑Y)(Nb,Ti)O_4等。要进行矿物全分析必须选用很纯的样品,而挑选大量单矿物是很费事的工作。 本文采用原子吸收微量进样法、柱层析分离比色测定法、纸色层分离法、X射线荧光光谱法及离子选择性电极法等,仅用6毫克样品就进行了稀土铌钽酸盐矿物的全分析,测定了稀土总量,铀、钍、钙、镁、锰、钾、钠、铁、铝、钛、铌、钽、氟及15个稀土元素分量,共28个元素。
The rare earth niobate tantalite minerals include calcite (TR, Ca, Th) (Ti, Nb) 2 O 6, pyrochlore (Na, Ca) 2 (Nb, Ti) 2 O 6 [F, OH] (ΣCe, ΣY) (Nb, Ti) O_4 and the like. To conduct full analysis of minerals must use very pure samples, and the selection of a large number of single mineral is a waste of time. In this paper, atomic absorption microinjection method, column chromatography colorimetric determination, paper chromatography layer separation, X-ray fluorescence spectrometry and ion selective electrode method, only 6 mg samples were rare earth niobate tantalum A total of 28 elements including rare earth, uranium, thorium, calcium, magnesium, manganese, potassium, sodium, iron, aluminum, titanium, niobium, tantalum, fluorine and 15 rare earth elements were determined.