Zobrazeno 1 - 10
of 94
pro vyhledávání: '"K.‐H. Bergk"'
Autor:
Baldur Unger, Wilhelm Schwieger, Eike Brunner, Helge Toufar, K.-H. Bergk, Wladimir Reschetilowski, Klaus-Peter Wendlandt
Publikováno v:
ChemInform. 22
Thermal or hydrothermal treatments of boron-containing pentasil-type zeolites, as well as acid-leaching procedures, lead to the partial or full removal of the framework boron atoms from the material. Resulting from this removal, the boron-stimulated
Publikováno v:
ChemInform. 24
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 617:169-177
Die Ergebnisse von 29Si- und 23Na-MAS-NMR-Untersuchungen an vier Modifikationen des synthetischen Na2Si2O5 zeigen, das sich die α-, β- und δ-Modifikationen eindeutig durch die Parameter ihrer NMR-Spektren voneinander unterscheiden lassen. Die Unte
Autor:
Eike Brunner, Klaus-Peter Wendlandt, K.-H. Bergk, Wilhelm Schwieger, Baldur Unger, Helge Toufar
Publikováno v:
Reaction Kinetics & Catalysis Letters. 46:271-278
Template-free synthetic, boron-containing pentasil type zeolites exhibit structural and catalytic properties similar to those of SABO zeolites made in the presence of n-propylamine.
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 600:139-144
Die Synthese des Natriumsilicathydrates (NaSH) Magadiit im ternaren System Na2O · SiO2 · H2O und die Umwandlung des Hydrogels in der Inkubationsperiode wird durch physikalische und chemische Methoden untersucht. Es werden zwei unterschiedliche Hydr
Autor:
E. Alsdorf, E. Löffler, H. Fichtner-Schmittler, U. Lohse, K. H. Bergk, W. Schwieger, B. Parlitz
Publikováno v:
Zeitschrift für Physikalische Chemie. :243-258
Publikováno v:
Colloid & Polymer Science. 269:1071-1073
A new layered silicate has been synthesized in the quaternary system Na2O−SiO2−H2O-polymeric organic cation. The polymeric organic cation was intercalated into the silicate during crystallization. Composition, structure, and x-ray diffraction pat
Autor:
Baldur Unger, K.-H. Bergk, Wilhelm Schwieger, Klaus-Peter Wendlandt, Helge Toufar, Eike Brunner, Wladimir Reschetilowski
Publikováno v:
J. Chem. Soc., Faraday Trans.. 87:3099-3101
Thermal or hydrothermal treatments of boron-containing pentasil-type zeolites, as well as acid-leaching procedures, lead to the partial or full removal of the framework boron atoms from the material. Resulting from this removal, the boron-stimulated
Publikováno v:
Croatica Chemica Acta
Volume 64
Issue 2
Volume 64
Issue 2
Adsorption isotherms of carbon dioxide on NaX and NaY zeolites were measured at 288 K and 298 K and isosteric heat and differential entropy of adsorption were determined. The equilibrium adsorption data were analyzed by means of the theory of volume
Publikováno v:
Studies in Surface Science and Catalysis ISBN: 9780444890887
Summary The subject of this paper is the synthesis of pentasil-type zeolites without templates. We describe investigations of the various synthesis variables - such as the composition of the reaction mixture, applications in a technical process and,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ca0cf6e12bddc826cc711ca3a7ecb00
https://doi.org/10.1016/s0167-2991(08)62906-7
https://doi.org/10.1016/s0167-2991(08)62906-7