Zobrazeno 1 - 10
of 52
pro vyhledávání: '"F. M. Chyragov"'
Publikováno v:
Proceedings of Universities. Applied Chemistry and Biotechnology. 12:30-37
We study the sorption of silver ions from aqueous solutions by a synthetic chelating sorbent. In the presence of formaldehyde, a polymeric sorbent based on a copolymer of styrene with maleic anhydride, modified with N,N’-diphenylguanidine, was synt
Publikováno v:
Vestnik of Astrakhan State Technical University. 2021:64-70
The article considers the danger of thorium due to its radioactive toxicity. There has been proved the diversity of thorium compounds and the influence of thorium on a human body and the environment. A polymer chelating sorbent containing fragments o
Autor:
A. J. Ragimova, H. D. Nagiev, A. M. Magerramov, Vusala I. Mardanova, G. R. Mugalova, F. M. Chyragov
Publikováno v:
Journal of Analytical Chemistry. 76:728-732
We studied the complexation of titanium(IV) with 2,2',3,4-tetrahydroxy-3'-nitro-5'-sulfoazobenzene (R) in the presence of cationic surfactants (CSs) cetylpyridinium chloride (CPCl), cetylpyridinium bromide (CPBr), and cetyltrimethylammonium bromide (
Autor:
Vusala I. Mardanova, Khalil Jamal Nagiyev, Abel Maharram Maharramov, F. M. Chyragov, Adilya Jeyhun Ragimova
Publikováno v:
Vestnik of Astrakhan State Technical University. 2021:44-51
The article considers the interaction of Ti(IV) with 2, 3, 4-trihydroxy-3'-fluoroazobenzene (H3R) in the presence and absence of phenontroline (Phen), α, α'-dipyridine (α, α'-dip), and batophenontroline (B-phen) studied by using a spectrophotomet
Publikováno v:
Journal of Structural Chemistry. 61:899-905
A new copper(II) complex with bis(4,4′-(ethane-1,2-diylbis(azanediyl))bis(3-(2-(4-fluorophenyl) hydrazinyl)pentan-2-one) (1) is synthesized and analyzed by single crystal X-ray diffraction. The crystals are monoclinic: a = 11.1340(9) A, b = 11.6716
Publikováno v:
Industrial laboratory. Diagnostics of materials. 85:23-28
4-(2, 4-bis((2-aminoethyl)-imino)pentane-3-yl)diazenyl)benzoic acid was synthesized using 3-[4-carboxyphenylazo]pentanedione-2,4 (R) reagent obtained by the standard procedure. The composition and structure of the synthesized reagent is determined by
Publikováno v:
Journal of Structural Chemistry. 60:1681-1687
Novel compounds 2-(2-(2-hydroxy-4-nitrophenyl) hydrazono)-1,3-diphenyl propane-1,3-dione and 2-(2-(2-hydroxy-4-nitrophenyl) hydrazono)-1-phenyl butane-1,3-dione are prepared on the base of β-diketones. Crystal and molecular structures of synthesized
Publikováno v:
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA. 62:71-75
In a present paper methods of concentration of Ce(III) from aqueous solutions onto synthetic polymer adsorbent. The sorption-photometric determination of the microquantities of cerium ions by new polymeric chelating sorbent, modified with dithizone h
Publikováno v:
PROCEEDINGS OF UNIVERSITIES APPLIED CHEMISTRY AND BIOTECHNOLOGY. 9:194-201
Publikováno v:
Journal of Water Chemistry and Technology. 41:94-100
The article has studied the removal of U(VI) chelatoforming sorbent based on anhydride with styrene chemically modified by dithizone. It was established that uranium is sorbed to its maximum at pH 5 (ammonia-acetate buffer) and concentration 1428 mg/