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Lead ion selective PVC membrane electrode based on 5,5'-dithiobis-(2-nitrobenzoic acid).
- Source :
-
Talanta [Talanta] 1998 Aug; Vol. 46 (6), pp. 1341-6. - Publication Year :
- 1998
-
Abstract
- A PVC membrane electrode for lead ions based on 5,5'-dithiobis-(2-nitrobenzoic acid) as membrane carrier was prepared. The electrode exhibits a Nernstian response for Pb(2+) over a wide concentration range (1.0x10(-2)-4.0x10(-6) M). It has a relatively fast response time and can be used for at least 3 months without any divergence in potentials. The proposed electrode revealed good selectivities for Pb(2+) over a wide variety of other metal ions and could be used in a pH range of 2.0-7.0. It was used as an indicator electrode in potentiometric titration of lead ions and in direct determination of lead in water samples.
Details
- Language :
- English
- ISSN :
- 0039-9140
- Volume :
- 46
- Issue :
- 6
- Database :
- MEDLINE
- Journal :
- Talanta
- Publication Type :
- Academic Journal
- Accession number :
- 18967262
- Full Text :
- https://doi.org/10.1016/s0039-9140(97)00421-9