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Emission Spectrographic Determination of Hafnium in Zirconium Dioxide

Volume 27, Number 2 (April 1973) Page 129-132

Stempel, G.D.


An emission spectrographic method of analysis is described in which trace quantities of hafnium are determined in zirconium dioxide. The sample preparation, starting with zirconium metal sheet or zirconium dioxide, is discussed in detail. The excitation source used is an ac spark. Quantitation was achieved with a dual grating emission spectrograph. The analytical range of the method for the analysis of hafnium is 5 to 1000 ppm with a relative standard deviation of 9.7%.