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本文叙述了用偶氮胂DBS分光光度法直接测定钛合金中铈的方法。该方法可快速,简便而准确地测定含量在0.015～0.030％的铈;若铈和其它稀土共存时,亦可用于稀土的测定。
This paper describes a method for the direct determination of cerium in titanium alloys by arsenazo DBS spectrophotometry. The method can quickly, simply and accurately determine the content of 0.015 ~ 0.030% cerium; if cerium and other rare earth coexist, it can also be used for the determination of rare earth.