This article analyzes the optimal conditions for the immobilization of Eriochrome Black T salt onto fibroin fiber derived from local silk waste, its chemical bonding mechanism, and its characterization through IR analysis, diffuse reflectance spectroscopy, and absorption properties. It was...
Cistanche (Orobanchaceae) species are perennial parasitic plants, mainly distributed in arid and hot deserts. Cistanche plants are called “Desert ginseng”....
Actual problems of Natural Sciences / 2023 / February
This article presents a description of the method of obtaining a new acidic dye compound and sorption-spectroscopic detection of the metal ion in the immobilized fiber through the ligand complex of Pb (II) ion from heavy metals with an azo acid dye - Amido Black 10B. The properties of the ligand...
Actual problems of Natural Sciences / 2022 / August
The article shows the possibility of using sodium 4-amino-5-hydroxy-3 - ((e) - (4-nitrophenyl) diazenyl) - 6 - ((e) -phenyldiazenyl) naphthalene2,7-isulfonate, immobilized on polyacrylonitrile fiber PPD, as a reagent for the determination of lead ions. The optimal conditions for immobilization and...