Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Suzy A. Selim"'
Publikováno v:
Journal of Chemical Technology and Biotechnology. Chemical Technology. 35:297-307
A silica gel characterised as predominently microporous, with the remaining pores of limited dimensions which do not permit capillary condensation, is modified with aqueous solutions of acetic acid, glycine and β-alanine. The modified samples are in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66b91b374bea8bb132f0c6659abb8103
https://doi.org/10.1002/jctb.5040350606
https://doi.org/10.1002/jctb.5040350606
Autor:
Suzy A. Selim, Farouk I. Zeidan
Publikováno v:
Journal of Applied Chemistry and Biotechnology. 26:23-29
Surface area measurements were performed on stannic oxide gel and its thermal dehydration products obtained both in vacuo and in presence of air in the temperature range 100–600°C by benzene and carbon tetrachloride adsorption at 35°C. The presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82fd0a3927b9ac8a1e10b93a6d84a40d
https://doi.org/10.1002/jctb.5020260105
https://doi.org/10.1002/jctb.5020260105
Autor:
R.Sh. Mikhail, Suzy A. Selim
Publikováno v:
Journal of Applied Chemistry and Biotechnology. 24:557-569
Structural and phase changes of a prepared sample of chromium oxide gel were explored by differential thermal analysis and X-ray diffraction analysis. Dehydration products were obtained at various temperatures up to 740 °C, by heating in air for 3 h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79f889254cd19784bf7a8e6909227313
https://doi.org/10.1002/jctb.2720241003
https://doi.org/10.1002/jctb.2720241003
Publikováno v:
Journal of Materials Science. 25:4678-4687
Anatase and rutile pigments, from two sources (B and T) were thoroughly purified from sulphate and chloride contaminants, thermally treated in the temperature range 150 to 550 ° C, and investigated using thermogravimetric (TG), differential thermal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e36e78794abaaab99004e95d3539a75
https://doi.org/10.1007/bf01129924
https://doi.org/10.1007/bf01129924
Publikováno v:
Journal of Materials Science. 25:6-14
A series of five catalysts of NiO-Al2O3 of varying content (IA-VA) were prepared at pH ∼ 10 and dried at 80°C using neutral mesoporous alumina composed of μ-Al2O3 and poorly crystalline boehmite. Structural changes produced upon heat treatment up
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a001683fce353070af35af2bcea6accc
https://doi.org/10.1007/bf00544177
https://doi.org/10.1007/bf00544177
Publikováno v:
Thermochimica Acta. 19:201-211
Mechanically mixed (I) and coprecipitated (II), hydroxides of magnesium and aluminium were investigated in both powder and compact forms in the temperature range 200–1000°C using DTG, DTA and X-ray techniques. Upon thermal treatment of the mechani
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c6209d080b80f95daa9fef3919bc98
https://doi.org/10.1016/0040-6031(77)85108-3
https://doi.org/10.1016/0040-6031(77)85108-3
Publikováno v:
Thermochimica Acta. 58:211-229
The effect of autoclaving a zinc oxide preparation containing SO 2− 4 under 5 and 10 atmospheres is studied by combining X-ray diffraction, differential thermal analysis, thermogravimetry and IR spectroscopy. Textural measurements are also carried
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dc3dadf5baeb51a70ff276b716cfad6
https://doi.org/10.1016/0040-6031(82)87083-4
https://doi.org/10.1016/0040-6031(82)87083-4
Autor:
T.M. El-Akkad, Suzy A. Selim
Publikováno v:
Journal of Biochemical Toxicology. 27:58-66
The surface properties of zirconia gel and its thermal dehydration products obtained in the temperature range 300–1000°C were investigated by N2 and C6H12 adsorption. Structural and phase changes were studied by X-ray diffractometry and differenti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45c0bed61c68387ab0b15a2ea19a7605
https://doi.org/10.1002/jbt.2570270111
https://doi.org/10.1002/jbt.2570270111
Publikováno v:
Surface Technology. 13:265-279
The adsorption of nitrogen at -195 °C and of cyclohexane and methanol at 35 °C was measured on pure and fluorinated amorphous silica which had been treated in the temperature range 150–600 °C. X-ray diffraction, differential thermal analysis and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8495de91019149d7ec4269568bbcb6b6
https://doi.org/10.1016/0376-4583(81)90124-2
https://doi.org/10.1016/0376-4583(81)90124-2
Publikováno v:
Surface Technology. 10:283-296
Adsorption measurements for cyclohexane and methanol at 35 °C were performed on thermally treated mechanically mixed (I) and coprecipitated (II) hydroxides of magnesium and aluminium heated in the temperature range 200–1000 °C. At all temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e918b82653f9499f35b606b23a21cef0
https://doi.org/10.1016/0376-4583(80)90085-0
https://doi.org/10.1016/0376-4583(80)90085-0