A NEW PH-SENSOR BASED ON QUINHYDRONE

被引：13
|
作者：
SCHOLZ, F
DUSSEL, H
MEYER, B
机构：
[1] Institut für Angewandte Analytik und Umweltchemie, Humboldt-Universität, FB Chemie, Berlin, D-10115
来源：
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1993年 / 347卷 / 10-11期
关键词：
D O I：
10.1007/BF00635475
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A potentiometric pH sensor made of graphite, solid paraffin and quinhydrone is described to behave near to reversibility. The slope of the potential versus pH plot is - 53.06 mV, the standard deviation of measurements is 0.05 to 0.06 pH units. Unlike the usual glass electrode this new pH sensor does not need calibration before use. The sensor can be made of any shape and size.
引用
收藏
页码：458 / 459
页数：2
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