The method to use spark emissionspectrograph is fast, accurate, and can be used for on-line control of production.
利用火花源发射光谱仪测定钢中的氧方法快速、准确，能够应用于生产工艺过程的在线控制。
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Methods:Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results:Quantitative determination of trace elements in nutriment.
This paper presents the studies of the dependence of soft X-ray emission on atomic-number and laser intensities by using a new diagnostic tool, pinhole transmission grating spectrograph (PTGS).