An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys
| Autor: | Ferreira, Sérgio Luis Costa a, de Jesus, Djane Santiago a, b, Cassella, Ricardo Jorgensen c, e, Costa, Antonio Celso Spinola a, de Carvalho, Marcelo Souza d, Santelli, Ricardo Erthal e, * |
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| Zdroj: | In Analytica Chimica Acta 1999 378(1):287-292 |
| Databáze: | ScienceDirect |
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