METAL-IONS AS QUENCHER OF THE LUMINESCENCE OF HUMIC SUBSTANCES

被引：0
作者：
SCHECK, CF
FRIMMEL, FH
BRAUN, AM
机构：
[1] UNIV KARLSRUHE,ENGLER BUNTE INST,BEREICH WASSERCHEM 4,RICHARD WILLSTATTER ALLEE 5,W-7500 KARLSRUHE 1,GERMANY
[2] ECOLE POLYTECH FED LAUSANNE,INST CHIM PHYS,CH-1015 LAUSANNE,SWITZERLAND
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1992年 / 47卷 / 03期
关键词：
LUMINESCENCE; QUENCHER; IRON(II); MANGANESE(II); LASER FLASH PHOTOLYSIS;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The luminescence of aquatic humic substances in water is quenched over a broad range of pH by paramagnetic metal ions like iron(II) and manganese(II). The efficiency dependents on the pH of the solution and rises with increasing basicity; this parallels the complexing of metal ions by humic substances. No quenching of the luminescence is observed by the addition of aluminium(III).
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页码：399 / 405
页数：7
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