A FIBER OPTICAL SENSOR FOR HEAVY-METAL IONS BASED ON IMMOBILIZED XYLENOL ORANGE

被引：32

作者：

KLIMANT, I ^{[1
]}

OTTO, M ^{[1
]}

机构：

[1] BERGAKAD FREIBERG,DEPT CHEM,LEIPZIGER STR 29,O-9200 FREIBERG,GERMANY

来源：

MIKROCHIMICA ACTA | 1992年 / 108卷 / 1-2期

关键词：

FIBER OPTICAL SENSOR; HEAVY METAL IONS; XYLENOL ORANGE; LEAD;

D O I：

10.1007/BF01240367

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new fiber optical reflectance sensor for determination of heavy metal ions is described. It is based on xylenol-orange which is electrostatically immobilized on an anion-exchange resin. The sensor was tested for lead ions. It is sensitive to Pb2+ ions in a concentration range from 3 x 10(-6) - 3 x 10(-5) M. A response time of 1.5-2 min was observed. The optrode is not fully reversible, but can be regenerated in acidic solution (pH 1).

引用

页码：11 / 17

页数：7

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