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http://hdl.handle.net/10553/47197
| Title: | Spectrofluorimetric determination of zinc with pyrocatechol1-aldehyde 2-pyridylhydrazone | Authors: | Afonso, Ana M. Santana, José J. Montelongo, Francisco Garcia |
UNESCO Clasification: | 2301 química analítica | Keywords: | Zinc determination Spectrofluorimetry Pyrocatechol- I-aldehyde 2-pyridylh ydrazone |
Issue Date: | 1986 | Publisher: | 0003-2654 | Journal: | Analyst (London. 1877. Print) | Abstract: | Pyrocatechol-1-aldehyde 2-pyridylhydrazone was synthesised and its ionisation constants spectrophotometrically determined. A procedure was developed for the spectrofluorimetric determination of 12–250 ng ml–1 of zinc in 50%V/V ethanol-water medium, acetate-buffered to apparent pH 5.5 (λex.= 398 nm, λem.= 521 nm), using the above reagent. Interferences were evaluated and the procedure was applied satisfactorily to the determination of zinc in potable tap water. | URI: | http://hdl.handle.net/10553/47197 | ISSN: | 0003-2654 | DOI: | 10.1039/AN9861100327 | Source: | The Analyst [ISSN 0003-2654], v. 111, p. 327-329 |
| Appears in Collections: | Artículos |
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