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研究了稀土元素与对溴偶氮胂的显色反应,提出了用Kalman滤波分光光度法同时测定稀土元素的方法,用于铝合金中铈组稀土元素测定,结果满意.
The color reaction of rare earth elements with bromoarsenazo was studied. A method for the simultaneous determination of rare earth elements by Kalman filter spectrophotometry was proposed. The method was applied to the determination of rare earth elements in cerium group in aluminum alloy with satisfactory results.