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A new flow-injection spectrophotometric method for the determination of tannins in tea and beer using iron(III) and 1,10-phenanthroline

✍ Scribed by Consuelo Tomàs; Mercedes Celeste; Andreu Cladera; Enrique Gómez; JoséManuel Estela; Víctor Cerdà


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
378 KB
Volume
47
Category
Article
ISSN
0308-8146

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A procedure has been developed for the determination of iron(III) dimethyldithiocarbamate by converting it into iron(III)-bathophenanthroline complex, which is then dissolved in water in the presence of sodium dodecyl sulphate as a surfactant, and the absorbance measured at 532 nm against a reagent