Anal. Chem. 1996, 68, 1272-1275
PVC-Based 2,2,2-Cryptand Sensor for Zinc Ions Suresh K. Srivastava,* Vinod K. Gupta, and Suresh Jain
Department of Chemistry, University of Roorkee, Roorkee-247 667 (U.P.), India
A PVC-based membrane of 2,2,2-cryptand exhibits a very good response for Zn2+ in a wide concentration range (from 2.06 ppm to 6.54 × 103 ppm) with a slope of 22.0 mV/decade of Zn2+ concentration. The response time of the sensor is
