Abstract
It was shown that the time dependences of the degree of decomposition of humic substances under exposure to ultrasound and UV radiation exhibit identical maxima. It was found that ultrasonic and ultraviolet treatments enhance the analytical signal even in the absence of humic substances. It was proposed to use the ultrasonic pretreatment before the extraction–X-ray fluorescence analysis of water to eliminate the effect of humic substances on the recovery of elements.
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Makarovskaya, Y.N., Eksperiandova, L.P. & Blank, A.B. Sampling of Natural Water Using the Ultrasonic and Ultraviolet Decomposition of Humic Substances. Journal of Analytical Chemistry 58, 110–113 (2003). https://doi.org/10.1023/A:1022341601795
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DOI: https://doi.org/10.1023/A:1022341601795