Abstract
For comparing the characteristics of the Grand, Grand-1500, and STE-1 spectrometers, which are used as a part of a scintillation atomic emission complex in a combination with an electric arc setup Potok for analysis of powdered samples by the spillage-injection method, their optical efficiency, reciprocal linear dispersion, and spectral resolution are measured in the 235–344 nm region. The spectral resolution of the Grand-1500 spectrometer is 1.5–2 times better than that of the other studied spectrometers. The resolution of the Grand and STE-1 spectrometers in the fifth diffraction order is practically the same, whereas in the fourth order the resolution of the Grand is significantly better. In the 240–270 nm region, the optical efficiency of the Grand exceeds that of the STE-1 by an order of magnitude, and by a factor of 4 in the 342 nm range. The optical efficiency of the Grand-1500 near 240 nm is slightly higher than of the STE-1, whereas at 267 and 342 nm it exceeds it by a factor of 2 and 5, respectively.
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Dzyuba, A.A., Labusov, V.A., Vasil’eva, I.E. et al. Optical Efficiency and Spectral Resolution of the Grand, Grand-1500, and STE-1 Spectrometers. Inorg Mater 54, 1456–1460 (2018). https://doi.org/10.1134/S0020168518140091
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DOI: https://doi.org/10.1134/S0020168518140091