Spectrophotometric determination of zinc in pharmaceutical and biological samples with di-2-pyridyl ketone benzoylhydrazone: A simple, fast, accurate and sensitive method

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dc.contributor.authorVieira L.E.M.
dc.contributor.authorVieira F.P.
dc.contributor.authorAvila-Terra L.H.S.
dc.contributor.authorGaubeur I.
dc.contributor.authorGuekezian M.
dc.contributor.authorSuarez-Iha M.E.V.
dc.date.accessioned2024-03-13T01:38:46Z
dc.date.available2024-03-13T01:38:46Z
dc.date.issued2008
dc.description.abstractA simple, fast, accurate, and sensitive spectrophotometric method was developed to determine zinc(II). This method is based on the reaction of Zn(II) with di-2-pyridyl ketone benzoylhydrazone (DPKBH), at pH=5.5 and 50% (v/v) ethanol. Beers law was obeyed in the range 0.020-1.82 μg mL-1 with a molar apsorptivity of 3.64×104 L mol-1 cm-1, and a detection limit (3δ) of 2.29 μg L-1. The action of some interfering ions was verified and the developed method applied to pharmaceutical and biological samples. The results were then compared with those obtained by using a flame atomic absorption technique. Copyright © Taylor & Francis Group, LLC.
dc.description.firstpage779
dc.description.issuenumber5
dc.description.lastpage788
dc.description.volume41
dc.identifier.doi10.1080/00032710801934841
dc.identifier.issn0003-2719
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/37587
dc.relation.ispartofAnalytical Letters
dc.rightsAcesso Restrito
dc.subject.otherlanguageBiological samples
dc.subject.otherlanguageDPKBH
dc.subject.otherlanguageHydrazones
dc.subject.otherlanguagePharmaceutical samples
dc.subject.otherlanguageSpectrophotometry
dc.subject.otherlanguageZinc
dc.titleSpectrophotometric determination of zinc in pharmaceutical and biological samples with di-2-pyridyl ketone benzoylhydrazone: A simple, fast, accurate and sensitive method
dc.typeArtigo
local.scopus.citations13
local.scopus.eid2-s2.0-41849120756
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=41849120756&origin=inward
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