2004•Metallurgical AnalysisRequires access

Determination of impurity elements in vanadium-nitrogen alloy by ICP-AES

Yiting Pan

Abstract

An ICP-AES method for determining impurities such as Si,Mn,P,Cr,Ni,Cu and Al s in vanadium-nitrogen alloy is presented. The optimal working conditions are studied. The sample is dissolved with nitric acid,hydrochloric acid and perchloric acid. Interferences of coexisting elements are eliminated by correction of spectral line and matrix matching. Overelaborate procedure for the pretreatment of sample can be avoided. The method has been used for the determination of above-mentioned 7 elements in vanadium-nitrogen alloy. The relative standard deviations are 0.44%-1.79%. The recovery of standard addition is in the range of 93.6%-109.7%?

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Key concepts: Vanadium, Impurity, Alloy, Perchloric acid, Nitric acid, Hydrochloric acid, Nitrogen, Analytical Chemistry (journal)