Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Przemyslaw Pruszynski"'
Publikováno v:
June 2022. 21:313-324
Water is an essential component of the papermaking process. Nevertheless, papermakers often overlook its importance compared to fibers and chemical additives. A better understanding of water properties and chemical interactions associated with water
Publikováno v:
October 2017. 16:567-579
The current trend to further reuse water within paper mills has resulted in more accumulated salts, as reflected by increased conductivity values. Although conductivity measurement is widely used in paper mills, its fundamental principles and interpr
Publikováno v:
ChemInform. 22
A series of 22 phenyl substituted derivatives of 2-phenyl-1,1′,3,3′-tetramethylguanidine were used as bases in the proton transfer reaction from bis(4-nitrophenyl)cyanomethane in acetonitrile solvent. Bronsted and Hammett type relationships are e
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 23
Keto-enol equilibrium constants for the pyruvic acid system in aqueous solution at 25 o C were determined by Meyer halogen titration and also by another method that evaluates these constants as ratios of enolization to ketonization rate constants, K
Publikováno v:
ChemInform. 24
Four new tetramethylguanidino-substituted pyrylium and thiopyrylium salt dyes have been prepared and their absorption maxima in the visible region measured. The positions of the absorption maxima are similar to those observed for thiopyrylium salt dy
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 48:1638-1641
C 22 H 34 N 6 2+ .2C 6 H 2 N 3 O 7 - cristallise dans P4 1 2 1 2 1 avec a=12.372, c=25.370A, Z=4; affinement jusqu'a R=0.0572. L'angle diedre entre les deux plans des cycles benzene est de 80.4° et la longueur de la liaison intercycle C-C est de 1.4
Publikováno v:
Journal of the American Chemical Society. 114:3103-3107
Keto-enol equilibrium constants for the pyruvic acid system in aqueous solution at 25 o C were determined by Meyer halogen titration and also by another method that evaluates these constants as ratios of enolization to ketonization rate constants, K
Publikováno v:
The Journal of Organic Chemistry. 56:4808-4811
Publikováno v:
Canadian Journal of Chemistry. 69:205-210
A series of 22 phenyl substituted derivatives of 2-phenyl-1,1′,3,3′-tetramethylguanidine were used as bases in the proton transfer reaction from bis(4-nitrophenyl)cyanomethane in acetonitrile solvent. Brønsted and Hammett type relationships are