Surface chemical analysis. Glow discharge optical emission spectrometry (GD-OES). Introduction to use
Surface chemical analysis. Glow discharge optical emission spectrometry (GD-OES). Introduction to use
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1 Scope
This International Standard provides guidelines that are applicable to bulk and depth profiling GD-OES analyses. The guidelines discussed herein are limited to the analysis of rigid solids, and do not cover the analysis of powders, gases or solutions. Combined with specific standard methods which are available now and in the future, these guidelines should enable the regulation of instruments and the control of measuring conditions. Although several types of glow discharge optical emission sources have been developed over the years, the Grimm type with a hollow anode accounts for a very large majority of glow discharge optical emission devices currently in use both for dc and rf sources. It should be noted, however, that the cathode contact is often located at the back of the sample, in e.g. the Marcus type source, rather than at the front as in the original Grimm design. It should be clearly understood that the guidelines contained herein are equally applicable to both and other source designs and that the Grimm type source is used only as an example.
Другие стандарты BS