The Spectrochemical Determination of Trace Impurities in Graphite
- 1 January 1962
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 16 (1) , 9-12
- https://doi.org/10.1366/000370262774416010
Abstract
Optical emission spectrographic procedures are described for the estimation of some 60 elements in graphite. Using sodium fluoride as a carrier, the dc arc is employed for a direct examination of powdered graphite, while the copper spark method is used for analysis of the residue after ashing the sample.Keywords
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