2004•Analytical LaboratoryRequires access

Determination of hafnium in zirconium with atomic emission spectrometry

Qian Bo-ren

Abstract

A method for determination of hafnium in zirconium under Ar-O_2 controlled atmosphere was developed and the conditions of ratio of Ar-O_2, excited current and exposed time were optimized. Under the selected conditions two samples were analyzed and the relative standard deviation was less than 5% with recovery of 90%～113%. This method could be applied to the determination of hafnium over the range between 0.005% and 5%.

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Available abstract

Key concepts: Hafnium, Zirconium, Chemistry, Relative standard deviation, Analytical Chemistry (journal), Excited state, Mass spectrometry, Atmosphere (unit)