FIBER OPTIC PH SENSORS PREPARED BY SOL-GEL IMMOBILIZATION TECHNIQUE

被引：61

作者：

DING, JY

SHAHRIARI, MR

SIGEL, GH

机构：

[1] Fiber Optic Materials Research Program, Rutgers-The State University of New Jersey, Piscataway

来源：

ELECTRONICS LETTERS | 1991年 / 27卷 / 17期

关键词：

GLASS; OPTICAL FIBER;

D O I：

10.1049/el:19910978

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An improved fibre optic sensor with extended lifetime for pH measurements has been developed. The sensor is based on the absorbance change of organic indicators immobilised in a silica matrix coated as a thin film onto a porous glass optical fibre by the sol-gel technique. This approach has allowed the development of a highly stable, chemically durable and ruggedised fibre optic pH sensor. The sensor also has potential application in aqueous solutions at high temperatures and in those containing organic solvents.

引用

页码：1560 / 1562

页数：3

共 11 条

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[2]

BLAYLOCK ME, 1989, Patent No. 4842783

[3]

CRUZMORENO M, 1990, ANAL CHIM ACTA, V230, P35

[4] DETERMINATION OF PH WITH ACID-BASE INDICATORS - IMPLICATIONS FOR OPTICAL FIBER PROBES [J].