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Abstract：
A new sensor material for monitoring pH in aqueous solutions is described. It is based on lipophilic ion pairs consisting of an anionic pH indicator Bromocresol Green and a quaternary ammonium cation cetyltrimethylammonium. The ion pairs are homogeneously distributed inside the plasticized PVC membrane. The change of pH in an aqueous solution causes the change of optical property of the indicator immobilized on the plasticized PVC membrane. The plasticized PVC membrane is sensitive in a pH range from 4.0 to 6.0.
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CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
ISSN： 1005-9040
CN： 22-1183/O6
Year： 2002
Issue： 1
Volume： 18
Page： 8-11
0 . 2 2 9
JCR@2002
3 . 1 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
Cited Count：
WoS CC Cited Count： 2
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
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