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Extractive colorimetric determination of iron(III) in pharmaceutical formulations by means of trifluoroacetylacetone

✍ Scribed by RAGGI, M; NOBILE, L; PERBONI, I; RAMINI, M

Book ID
121954520
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
417 KB
Volume
61
Category
Article
ISSN
0378-5173

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Determination of potassium in pharmaceut
Determination of potassium in pharmaceutical formulations by means of 18-crown-6: Extraction studies
✍ Maria Augusta Raggi; Luciano Nobile; Michela Ramini; Ilaria Perboni πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 388 KB

A colorimetric method has been developed for the determination of potassium in pharmaceutical formulations. The method is based on the formation of a complex of potassium with 18-crown-6, followed by conversion to an ion-pair with picrate anion; the ion-pair is extracted with either methylene chlori