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|Type:||Artigo de periódico|
|Title:||SYNTHESIS, CHARACTERIZATION AND APPLICATION OF ION IMPRINTED POLY(VINYLIMIDAZOLE) FOR ZINC ION EXTRACTION/PRECONCENTRATION WITH FAAS DETERMINATION|
|Author:||dos Santos, QO|
|Abstract:||In this paper, we describe the synthesis of an ion imprinted polymer (IIP) by homogeneous polymerization and its use in solid-phase to extract and preconcentrate zinc ions. Under optimal conditions (pH 5.0, preconcentration flow rate of 12.0 mL min(-1), and eluted with 1.0 mol L-1 HNO3) this procedure allows the determination of zinc with an enrichment factor of 10.2, and with limits of detection and quantification of 1.5 and 5.0 mu g L-1, respectively. The accuracy of our results was confirmed by analysis of tap water and certified reference materials: NIST 1570a (Spinach leaves) and NIST 1515 (Apple leaves).|
|Subject:||ion imprinted polymer|
|Editor:||Soc Brasileira Quimica|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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