1. ИЗБИРАТЕЛЬНАЯ ЭКСТРАКЦИЯ ИОНОВ ЖЕЛЕЗА (III) И ФОТОМЕТРИЧЕСКОЕ ОПРЕДЕЛЕНИЕ ЕГО В ОРГАНИЧЕСКОЙ ФАЗЕ
- Author
-
РАХМАТУЛЛАЕВА, Н. Т.
- Subjects
- *
IRON , *SOLUTION (Chemistry) , *COMPLEX ions , *ORGANIC dyes , *SOLVENT extraction , *ABSORPTION coefficients - Abstract
Background. The existing extraction-photometric methods for the determination of iron (III) using organic dyes are highly sensitive, but not very selective. The search and development of new selective, sensitive, express methods for the determination of elements is an urgent task. Purpose: development of a selective, sensitive, rapid extraction-photometric method for the determination of iron (III) in the organic phase. Methodology. To increase the selectivity of the method for the determination of iron (III), we studied the selective extraction of the iron (III) rhodanide complex ion with inert organic solvents and determined it directly in the organic phase by the photometric method. Originality. The developed method for the extraction-photometric determination of iron (III), which differs from the existing ones in selectivity, sensitivity, and rapidity, is recommended for the analysis of industrial solutions by the chemical composition of materials without preliminary separation of accompanying elements. Findings. As a result of the study, a new selective, sensitive, simple and rapid method for the extraction-photometric determination of iron (III) directly in the organic phase using inert organic solvents was developed. [ABSTRACT FROM AUTHOR]
- Published
- 2022