Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Rebecca Reibke"'
Autor:
Gerhard Banik, Ulrike Hähner, Thomas Prohaska, Rebecca Reibke, Enke Huhsmann, Ute Henniges, Antje Potthast
Publikováno v:
Cellulose. 15:861-870
Degradation of cellulose in historic paper by iron gall ink is a synergistic process of both, acid hydrolysis caused by acidic ink ingredients and oxidation catalyzed by free iron and/or copper ions. The interplay of both reactions was studied accord
Publikováno v:
Macromolecular Symposia. 262:150-161
Selective fluorescence labelling of oxidized cellulose functionalities followed by GPC-MALLS was used to get a deeper insight into ink-induced degradation processes. As the method is very sensitive towards oxidation and molecular weight changes, slig
Autor:
S. N. Smirnov, Ilja G. Shenderovich, V. A. Gindin, Anita Dunger, Rebecca Reibke, Olga L. Malkina, Nikolai S. Golubev, Hans-Heinrich Limbach, Gleb S. Denisov, Sheela Kirpekar
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 102:422-428
Liquid state 1 H and 19 F NMR experiments in the temperature range between 110 and 150 K have been performed on mixtures of tetrabutylammonium fluoride with HF dissolved in a 1:2 mixture of CDF 3 and CDF 2 Cl, Under these conditions hydrogen bonded c