EXPERIMENTAL RESULTS ON AN OPTICAL PH MEASUREMENT SYSTEM FOR BIOREACTORS

被引：28

作者：

HOLOBAR, A

WEIGL, BH

TRETTNAK, W

BENES, R

LEHMANN, H

RODRIGUEZ, NV

WOLLSCHLAGER, A

OLEARY, P

RASPOR, P

WOLFBEIS, OS

机构：

[1] KARL FRANZENS UNIV, INST ORGAN CHEM, A-8010 GRAZ, AUSTRIA

[2] SLOVAK ACAD SCI, INST PHYS ELECTR, CS-92101 PIESTANY, CZECHOSLOVAKIA

[3] UNIV LJUBLJANA, FAC BIOTECH, LJUBLJANA 61000, SLOVENIA

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 11卷 / 1-3期

关键词：

D O I：

10.1016/0925-4005(93)85283-G

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Properties of a pH-sensitive membrane have been tested with respect to its possible application in bioreactors. The influences of ionic strength, buffer type, buffer capacity, color and turbidity of the solution on the response of the membrane are studied. The developed membrane shows high reproducibility and long-term stability. The pH-sensing membrane can be sterilized chemically and by using heat. With the present opto-electronic set-up, an accuracy of +/-0.1 pH between pH 6 and 10 can be achieved.

引用

页码：425 / 430

页数：6

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