Extraction of Metals in a Water‒Potassium Bis(Alkylpolyoxyethylene)Phosphate‒Ammonium Sulfate System with Various Photometric Reagents
- Authors: Denisova S.A.1, Lesnov A.E.2,3, Ostanina N.N.2
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Affiliations:
- Department of Chemistry
- Institute of Technical Chemistry
- Department of Agrochemistry
- Issue: Vol 73, No 5 (2018)
- Pages: 427-431
- Section: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/183015
- DOI: https://doi.org/10.1134/S1061934818030048
- ID: 183015
Cite item
Abstract
The interfacial distribution of a number of organic photometric reagents in a water‒potassium bis(alkylpolyoxyethylene)phosphate (oxyphos B)‒ammonium sulphate splitting system is studied. It is found that alizarin complexone, 1-(2-pyridylazo)-2-naphthol-2 (PAN), bromothymol blue, rhodamine 6G, pyrogallol red, morin, fuchsine, malachite green, bromothymol blue, pyrocatechol violet (PCV), chromazurol S, and aluminon are extracted with partition coefficients higher than 100. A possibility of the extraction‒photometric determination of gallium with PCV and cobalt with PAN is shown. The proposed procedures do not require the use of fire-hazardous, volatile, and toxic organic solvents.
About the authors
S. A. Denisova
Department of Chemistry
Email: lesnov_ae@mail.ru
Russian Federation, Perm’, 614990
A. E. Lesnov
Institute of Technical Chemistry; Department of Agrochemistry
Author for correspondence.
Email: lesnov_ae@mail.ru
Russian Federation, Perm’, 614013; Perm’, 614000
N. N. Ostanina
Institute of Technical Chemistry
Email: lesnov_ae@mail.ru
Russian Federation, Perm’, 614013
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