Zobrazeno 1 - 4
of 4
pro vyhledávání: '"E M Abdel-Aziz"'
Publikováno v:
Scopus-Elsevier
Four pyrrolizidine alkaloids were isolated from Heliotropium bacciferum and identified as heleurine, heliotrine, supinine, and europine. A new preparative HPLC method was used for their isolation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72635da6d9abad28f57381d2a03ad665
https://doi.org/10.1076/phbi.34.5.374.13244
https://doi.org/10.1076/phbi.34.5.374.13244
Autor:
D. Thorburn Burns, M. E. M. Abdel Aziz
Publikováno v:
The Analyst. 105:209
The chemical and manipulative variables have been examined in detail in order to develop a precise and direct spectrophotometric determination of chromium in chromite ores and in ferro-chrome. Samples are sintered with sodium peroxide in zirconium cr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a345f62729cb0e8eadec5891e3bcd91
https://doi.org/10.1039/an9800500209
https://doi.org/10.1039/an9800500209
Autor:
M. E. M. Abdel Aziz, D. Thorburn Burns
Publikováno v:
The Analyst. 105:333
Chemical and manipulative variables have been examined in detail in order to develop a precise and direct spectrophotometric determination of total iron in chromite ores. Samples are sintered with sodium peroxide in zirconium crucibles (3 h at 510 ±
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7a772dc2e9161b91a96a6280db10737
https://doi.org/10.1039/an9800500333
https://doi.org/10.1039/an9800500333
Autor:
J. D. R. Thomas, D. Thorburn Burns, J.W. Bridges, Julian F. Tyson, A. R. Morrisson, M. E. M. Abdel Aziz, B. L. Sharp, G. N. Killoran, James N. Miller, G. J. Moody, G. Handley, N. S. Nassory
Publikováno v:
Proceedings of the Analytical Division of the Chemical Society. 16:23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b83fcd47dcbdf6faeeff867109fe948e
https://doi.org/10.1039/ad9791600023
https://doi.org/10.1039/ad9791600023