Zobrazeno 1 - 10 of 92 pro vyhledávání: '"J. Th. G. Overbeek"'
1
On electro-osmosis and streaming-potentials in diaphragms
Autor: J. Th. G. Overbeek, P. W. O. Wijga
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 65:556-563
It is mentioned that the streaming-potential E/P and the volume of liquid transported by electro-osmosis v/i are equal, independent of the structure of the diaphragm and independent of its surface conductance. The value of these ratios which, in the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c2890553b2d2e7f4b342175372eac69
https://doi.org/10.1002/recl.19460650802
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2
The solubility of bilirubin
Autor: C. L. J. Vink, J. Th. G. Overbeek, H. Deenstra
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 74:81-84
The titration curve of a suspension of bilirubin with NaOH has been determined and analysed. A value of 5 × 10−11 mole/l for the solubility of undissociated bilirubin has been derived from the titration.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40d50021416e22a677223737d4b632e5
https://doi.org/10.1002/recl.19550740112
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3
The influence of caffeine on the coupling reaction between β-naphthol and p-diazobenzenesulphonic acid
Autor: J. Th. G. Overbeek, H. Deenstra, C. L. J. Vink
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 74:69-76
The rate of the coupling reaction between β-naphthol and p-diazobenzenesulphonic acid is lowered by addition of caffeine. This effect can be explained by complex formation between caffeine and the two reactants. The complex between caffeine and β-n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cc59341b1c2078a21ccc337b4dc5899
https://doi.org/10.1002/recl.19550740109
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4
Kinetics of the formation of azobilirubin
Autor: C. L. J. Vink, J. Th. G. Overbeek, H. Deenstra
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 74:85-97
The coupling reaction between bilirubin and p-diazobenzenesulphonic acid has been carried out in a mixture of ethanol, chloroform, and water, in which all the components of the reaction are soluble. One molecule of bilirubin reacts with two molecules
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c23124012ce7d96e2029af58d4db5c24
https://doi.org/10.1002/recl.19550740113
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5
Conductivity and relaxation effect of alkali polymethacrylates in alkali bromide solutions
Autor: J. Th. G. Overbeek, W.P.J.T Van Der Drift
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 98:81-85
The electric conductivity of alkali polymethacrylates in aqueous solutions of alkali bromides with concentrations varying from 0.001 mol/l to 0.1 mol/l was measured. From a comparison of the conductivities of different alkali salts (Li, Na, K) the re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a533ffd2509afe838aa8eef13c1f77db
https://doi.org/10.1002/recl.19790980308
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7
Entrainment distillation as a reference method for the determination of the water content of foods: I. Theoretical aspects of analytical dehydration with special reference to entrainment desiccation
Autor: D. A. A. Mossel, J. Th. G. Overbeek
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 70:63-78
Thermodynamic considerations indicate that in a reference method for water determination it is imperative to choose the water vapour pressure (p), prevailing during the analysis, very low (order: 1 mm Hg), to prevent a retention of water, which surpa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6829867cb9e66a72c7757cfbd3d51341
https://doi.org/10.1002/recl.19510700112
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8
The dimensions of charged long chain molecules in solutions containing electrolytes
Autor: J. Th. G. Overbeek, J. J. Hermans
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 67:761-776
If a long chain molecule in a solution carries electric charges, the statistical coil is inflated, and the average square of the distance between the ends of the chain is larger than in the uncharged state. For a number of properties the determining
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fa390a011e3444bfba47bdadcf1219a
https://doi.org/10.1002/recl.19480671002
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9
Le point de charge nulle des sols lyophobes de AgI, AgBr et AgCl dans les mélanges eau-acétone
Autor: A. Watillon, J. M. Serratosa, J. Th. G. Overbeek
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 76:549-559
D'apres Mackor, la variation du point de charge nulle des suspensions colloidales de AgI dans les melanges eau-acetone est du tout d'abord au saut brusque du potentiel x de Lange aux faibles concentrations en acetone, et ensuite, a la variation de l'
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86c09b905b9fa83f1800f56fc6789bda
https://doi.org/10.1002/recl.19570760707
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10
Theory of the Electroviscous Effect in Polymer Solutions
Autor: J. J. Hermans, J. Th. G. Overbeek
Publikováno v: Bulletin des Sociétés Chimiques Belges. 57:154-162
The statistical form of a long chain molecule is modified if the macromolecule contains charged spots, e.g. by dissociation of carboxylic groups. The coil formed by the large molecule is less dense as a consequence of the repulsive force between diff
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8dffabc2bdab48fbe33b990213a2b14f
https://doi.org/10.1002/bscb.19480570406
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