GBT 19502-2004 General rules for surface chemical analysis glow discharge emission spectrometry

GBT 19502-2004 Surface Chemical Analysis Glow Discharge Emission Spectroscopy Method Glow Discharge Emission Spectroscopy (GI} OES) is used to determine the chemical composition of solid samples. It can be used for both bulk material analysis and depth analysis. In the analysis of body material, the change of the element content in the sample in the depth direction is considered to be negligible; and the main purpose of depth analysis is usually to obtain information on the concentration change with depth. The depth profile of glow discharge emission spectroscopy ranges from a few nanometers to a hundred microns.

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