Determination of cesium, manganese and terbium by intracavity laser spectroscopy |
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Authors: | V S Burakov A V Isaevich L A Meleshchenko and P Ya Misakov |
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Institution: | (1) Institute of Molecular and Atomic Physics, 220072 Minsk, Belarus |
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Abstract: | The statistical characteristics of the intracavity laser spectrometer are investigated by analysis of cesium in aqueous solutions. The error distribution of measurements is normal. The relative standard deviation of the analysis in the middle of the dynamic range is equal to 9.7%. The intracavity spectral analysis was carried out at low contents of cesium, manganese and terbium in aqueous solutions. The limits of detection are: 5 g l-1 (Cs), 20 g l-1 (Mn) and 1000 g l-1 (Tb). Owing to the high spectral resolution of the spectrometer used the hyperfine structure of the thallium absorption line (535.05 nm) was recorded. |
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