SOME PROPERTIES OF SULFATE ION-SELECTIVE PVC MEMBRANES BASED ON A NEUTRAL CARRIER AND ION-EXCHANGER

被引：13
|
作者：
SMIRNOVA, AL [1 ]
TARASEVITCH, VN [1 ]
RAKHMANKO, EM [1 ]
机构：
[1] BYELORUSSIAN STATE UNIV, PHYSICOCHEM PROBLEMS RES INST, MINSK 220080, BELARUS
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1994年 / 19卷 / 1-3期
关键词：
D O I：
10.1016/0925-4005(93)01008-R
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
For the measurement of SO4 ion activity in aqueous solutions sulfate-selective PVC membranes with different concentrations of ion-exchanger and neutral carrier were prepared and tested. The sulfate ion-selective electrodes (SO4-ISE) were then examined in terms of their response curves and slope in the linear part, selectivity coefficients, and the effect of the pH. Experimental results on selectivity are discussed and compared with those calculated from a mathematical model described earlier.
引用
收藏
页码：392 / 395
页数：4
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