Abstract
The authors have been carrying out quantitative analysis of various metal and alloy samples by the quantometer. Sometimes fluctuations greater than the accuracy limit, determined by the photometric error of the quantometer and the reproducibility of the spark generator, were found in analyzed data. The fluctuations show obviously the influence of the nonhomogeneous distribution of elements in the sample. This paper shows the results on the nonhomogeneity of the followings: Fe in aluminum, Ti in steel and Mg in nodular iron. Moreover the results on Mn, Si and Ni in steel bars are shown in detail. From these experiments the authors emphasize the difference between the data in chemical and spectrochemical analysis.
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