Echelle grating spectrometer, atomic emission spectrometer and spectrum testing method
An atomic emission and spectral testing technology, applied in the field of spectroscopy, can solve problems such as performance that cannot meet the testing requirements, and achieve the effects of less sample consumption, rapid measurement, and accurate interpretation
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Embodiment 1
[0045] The characteristic wavelength of the Se element in the mixed solution is 203.985nm (take the characteristic spectral line energy as an example, which is stronger and easier to distinguish, the same below), and the incident angle of the cross-dispersive prism 5 is 27.56° in the waveband range of 200nm-400nm. The measured spectral line position (69, 213), the measured wavelength is 203.986nm, and the wavelength accuracy error is 0.001nm.
Embodiment 2
[0047] The characteristic wavelength of the Zn element in the mixed solution is 213.856nm, within the band range of 200nm-400nm, the incident angle of the cross-dispersion prism 5 is 27.56°, the measured spectral line position (132,222), the measured wavelength is 213.861nm, and the wavelength accuracy error is 0.005nm .
Embodiment 3
[0049] The characteristic wavelength of the Mn element in the mixed solution is 257.610nm, within the band range of 200nm-400nm, the incident angle of the cross-dispersion prism 5 is 27.56°, the measured spectral line position (315,250), the measured wavelength is 257.614nm, and the wavelength accuracy error is 0.004nm .
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