Zobrazeno 1 - 10
of 27
pro vyhledávání: '"L N Bykova"'
Publikováno v:
Вестник Санкт-Петербургского государственного университета технологии и дизайна. Серия 1: Естественные и технические науки. :117-120
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96599d8431d66c1f330588ea6c123d3a
https://doi.org/10.46418/2079-8199_2021_4_18
https://doi.org/10.46418/2079-8199_2021_4_18
Publikováno v:
Fibre Chemistry. 50:504-507
Polymeric catalysts containing Co3+ were prepared. Their structures and processing characteristics were studied. The kinetics of catalytic oxidation of a dye solution were determined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68677e5880f0caa6371f109f144d6e1c
https://doi.org/10.1007/s10692-019-10018-3
https://doi.org/10.1007/s10692-019-10018-3
Publikováno v:
Fibre Chemistry. 49:308-311
The structures and catalytic properties of metal-containing polymers with transition-metal ions and their compositions with metals of different valence were studied. Di- and trivalent Fe and divalent Mn were used to create the catalyst active site.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3412f2e61c7cd55cc860a1c1ba3b28a
https://doi.org/10.1007/s10692-018-9887-1
https://doi.org/10.1007/s10692-018-9887-1
Autor:
L. N. Bykova, A. G. Venediktova
Publikováno v:
Fibre Chemistry. 33:63-66
A method was developed for finding the concentration of fibre-forming polymers in spinning solutions based on extraction and subsequent titrimetric determination of the solvent. It was found that the solvent is totally extracted from the spinning sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46e7f4ca976d975e475485d69689da0a
https://doi.org/10.1023/a:1019289916593
https://doi.org/10.1023/a:1019289916593
Publikováno v:
Journal of Analytical Chemistry. 56:489-493
Conditions for measuring an analytical signal on a superuniversal PU-2 polarograph were studied using direct-current, normal-pulse, differential-pulse, alternating-current square-wave, alternating-current sine-wave, and rapid potential sweep voltamme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f26d53f4d880c09dc0e808e0ae5778f
https://doi.org/10.1023/a:1016695523917
https://doi.org/10.1023/a:1016695523917
Publikováno v:
Fibre Chemistry. 31:66-69
A method for determining the concentration of polymer in a spinning solution based on potentiometric titration of hydrochloric acid bound by the tertiary nitrogen of the benzimidazole group in the polymer was developed. The method allows reducing the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5fdcd8765140e184429ef741c0b567f
https://doi.org/10.1007/bf02358704
https://doi.org/10.1007/bf02358704
Autor:
L. N. Bykova, D. I. Akhmad'yarova
Publikováno v:
Measurement Techniques. 40:884-892
The effects of operating modes, alternating-current amplutude, damping, and time delay of the polarograph on the analytical signal were investigated in the pulse mode.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa2b20ca5fc2d73287f45fb6815ae6e5
https://doi.org/10.1007/bf02504497
https://doi.org/10.1007/bf02504497
Autor:
A. L. Fal'kovskaya, L. N. Bykova
Publikováno v:
Journal of Analytical Chemistry. 56:281-283
The effect of dye concentrations in solutions on the potential of a copper-selective electrode with a chalcogenide membrane was studied. It was found that the electrode potential depends on the dye concentration in solutions containing no copper ions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6b2229a82eb0a8a859a98f3fe07a7f9
https://doi.org/10.1023/a:1009466825666
https://doi.org/10.1023/a:1009466825666
Publikováno v:
Fibre Chemistry. 21:350-353
A procedure has been developed for determining glycerin in impregnation baths containing from 30 to 40% glycerin by wt., and also for determining glycerin in finished fibre containing from 105 to 125% glycerin based on dry fibre.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9de545ea95c89381c9c3a3095de5728b
https://doi.org/10.1007/bf00556122
https://doi.org/10.1007/bf00556122
Publikováno v:
Fibre Chemistry. 22:357-359
A rapid method of determining the polymer content of spinning solution in the concentration range from 7–20% by wt. has been developed; it is based on precipitation of the polymer in acetic anhydride, extraction of the solvent, and subsequent titra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bc727f3627dd5827bea1a5fc2552a2c
https://doi.org/10.1007/bf00552532
https://doi.org/10.1007/bf00552532