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Development Zinc-selective membrane potentiometric sensor based on crown ether. | ||
| journal of kerbala university | ||
| Article 1, Volume 1, Issue 1, 2005, Pages 25-35 PDF (0 K) | ||
| Author | ||
| Zeina Mohammed Kadhum Al-Mossawy | ||
| Abstract | ||
| A new liquid selective electrode for Zinc ions based on Di-benzo-18-crown-6 as membrane carrier with plasteicezer (DOPP) was prepared. The sensor exhibits a nernstian response for Zn2+ range with nernstian slope ,and detection limit of( )activity unit. .It has a response time of a bout(30 s) and can be used for at least (60 days) without any divergence. The proposed membrane sensor revealed good selectivity for Zn2+ over variety of other metal ions and could be used in pH range of (3-7).It was successfully used for direct determination of Zn2+ in solution. | ||
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