The sources of the uncertainty for the determination of titanium dioxide in vanadium titanium magnetite by ICP-AES were analyzed, and the uncertainty of measured results was evaluated.%采用电感耦合等离子体发射光谱法(ICP-AES)测定钒钛磁铁矿中二氧化钛的含量,分析了测定二氧化钛过程中不确定度的来源,并对测定结果的不确定度进行了评定。
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