LASER INDUCED FLUORESCENCE EFFICIENCY IN WATER QUALITY ASSESSMENT

被引：0
作者：
Ghervase, L. [1 ]
Carstea, E. M. [1 ]
Pavelescu, G. [1 ]
Savastru, D. [1 ]
机构：
[1] Natl Inst R&D Optoelect INOE 2000, Magurele 077125, Romania
来源：
ROMANIAN REPORTS IN PHYSICS | 2010年 / 62卷 / 03期
关键词：
laser-induced fluorescence spectroscopy; anthropogenic impact; water pollution; microbial index; tyrosine - tryptophan ratio; CAPILLARY-ELECTROPHORESIS; SYNCHRONOUS FLUORESCENCE; ORGANIC-MATTER; SPECTROSCOPY; CHROMATOGRAPHY; TRYPTOPHAN; SYSTEMS;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Fluorescence data obtained by laser excitation at 266 nm were used for the first time to determine fluorescence properties of household and chicken farm discharges. Two fluorescence indices were applied: a modified humification index (HIX) and a new one, as tyrosine:tryptophan ratio (Tyr/Trp). HIX described very well the degree of contamination of the water system, while Tyr/Trp was useful in discriminating between the types of contaminants-household or chicken farms discharges. Results suggest that chicken farm wastes pollution could leave a specific fluorescence signature, when found in rivers, making possible their identification from the background fluorescence of the river waters.
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页码：652 / 659
页数：8
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