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A METHOD FOR RAPID ANALYSIS OF HAFNIUM IN ZIRCONIUM

V.A. Korneev

Abstract

A rapid method of analysis of zirconium for hafnium from hundredths of a percent to 100% is described. The method involves spectrophotometry using step attenuators. A spectroprojector was used to make possible visual identifidation of equal blackening of lines. A table of line sons made for the range of HfO/sub 2/ content in HfO/sub 2/-ZrO/sub 2/ from 0.03 to 99%. The spectrograph, type ISP- 22. is described. The time required to analyze one sample is one-half hour while the time for five samples is less than one hour. The mean arithmetic error of a single analysts is about 15%. (TTT)

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Key concepts: Hafnium, Zirconium, Spectrograph, Line (geometry), Analytical Chemistry (journal), Table (database), Sample (material), Materials science