ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Spectrochemical determination of chromium in silicates with discharge electrodes

E. Plško and M. Herkelová

Slovak Academy of Sciences, Bratislava

 

Abstract: A rapid and exact method for the spectrographic detn. of small amts. of Cr in silicates with three-part Cu discharge electrodes is described. A 2:1:3 mixt. of kaolin, CoO (internal standard), Li2CO3 (buffer) is used. For the evaluation, spectral lines of Cr 4254.33 A. (Ε = 2.91 ev.) and of Co 4110.54 A. (Ε = 4.07 ev.) were detd. From 0.001% to 0.5% Cr can be detd. The relative error is 5.6% for 0.01% Cr.

Full paper in Portable Document Format: 1810a745.pdf (in Slovak)

 

Chemical Papers 18 (10) 745–749 (1964)

Tuesday, June 18, 2024

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