1941
DOI: 10.1021/i560097a010
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Colorimetric Determination of Iron with Kojic Acid

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Cited by 16 publications
(7 citation statements)
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“…Maximum sensitivity was obtained with iron concentrations of 1-20 ppm for a cell thickness of 1 cm. 75 A voltammetric determination of kojic acid, particularly suitable for analysis of commercial bleaching products and skin lighteners, has been described. 76 In this process, a pre-anodized, screen-printed, carbon electrode was developed.…”
Section: Assay Of Kojic Acidmentioning
confidence: 99%
“…Maximum sensitivity was obtained with iron concentrations of 1-20 ppm for a cell thickness of 1 cm. 75 A voltammetric determination of kojic acid, particularly suitable for analysis of commercial bleaching products and skin lighteners, has been described. 76 In this process, a pre-anodized, screen-printed, carbon electrode was developed.…”
Section: Assay Of Kojic Acidmentioning
confidence: 99%
“…Kojic acid was chosen as the receptor because it is a natural product and a well-known chelating ligand that strongly coordinates to iron(III), which results in red-colored complexes [14][15][16]. Moreover, Kojic acid has been used for many years for the spectrophotometric determination of iron in different contexts (e.g., in ores) [17,18]. Therefore, we designed and prepared an acrylic monomer (3) containing a Kojic acid sensory motif to synthesize a membrane for use as a colorimetric sensor and solid-phase extractant (Scheme 1).…”
Section: Resultsmentioning
confidence: 99%
“…Para otimizar a reação de complexação entre o ácido kójico e o íon férrico, em valores de pH's menores que os relatados na literatura (a fim de evitar a hidrólise do íon férrico), 19,20 …”
Section: Resultsunclassified