| UDC: 547.633.6 : 543.422 | | | INFLUENCE OF PHYSICAL AND CHEMICAL PARAMETERS ON EOSIN SPECTRAL DETERMINATIONS
| | | Liljana Kola
| | | email: kolaliljana@yahoo.it | | | University of Tirana, Faculty of Natural Sciences, Center of Applied Nuclear Physics, P.O. Box 85, Tirana, Albania | | | The fluorescence ability of eosin enables its use as an artificial tracer in the water system studies. The problem deals with the application of eosin tas a tracer to determine water movements within the karstic system and underground waters. The fluorescence intensity of fluorescent dyes in water samples depends on their physical and chemical properties, such as pH, temperature, and presence of oxidants, etc. In addition, the UV radiation may induce photochemical decomposition of eosin which can cause large measurement errors. This paper presents the results of the influence of these factors on eosin fluorescence intensity using the concentration and synchron scan methods. The method we have elaborated for this purpose made it possible to optimize procedures we use to analyze water samples for the presence of eosin and measure its content, even in trace levels by the means of the luminescencnt spectrometry | | | Key words: | spectral determination; eosin; fluorescence intensity (IF); synchron scan; artificial tracer |
| | | Language: | English and Macedonian |
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