Zobrazeno 1 - 10
of 46
pro vyhledávání: '"A. L. EL-ANSARY"'
Publikováno v:
Journal of Spectroscopy, Vol 2018 (2018)
The ion-associate complexes of diaveridine were prepared in a solution and studied spectrophotometrically. The bulky counter anions such as sulfonphthalein acidic dyes, namely, bromocresol green (I), bromophenol blue (II), bromothymol blue (III), bro
Externí odkaz:
https://doaj.org/article/6bdb342cebc342e6a6e720438d4b6666
Publikováno v:
New Journal of Chemistry. 45:1482-1499
The novel charge-transfer (CT) solid complexes of pyrazine Schiff bases, derived from 2-aminopyrazine and substituted benzaldehydes (N-benzylidenepyrazin-2-amine, (NBPA)) and N-(((4-dimethylamino)benzylidene)pyrazin-2-amine) (NDMABPA) with some aroma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c374e3e91b0ff6f69209ff94caf6639
https://doi.org/10.1039/d0nj05397j
https://doi.org/10.1039/d0nj05397j
Publikováno v:
New Journal of Chemistry. 45:7714-7730
8-Acetyl-7-hydroxy-4-methyl coumarin and 3-amion-1,2,4-triazole were used to prepare a Schiff base (Sbat). The [Ag(Sbat)(NO3)]·H2O and [Cu(Sbat)(OH)(H2O)2]·3H2O complexes were separated by the reaction of the Schiff base with Ag(I) and Cu(II) metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1eed367b19002afe7e58862859d86aa
https://doi.org/10.1039/d0nj05688j
https://doi.org/10.1039/d0nj05688j
Publikováno v:
New Journal of Chemistry. 43:17466-17485
Sulfaclozine-1-hydroxy-2-naphthoic acid azo dye (Scna) and its metal complexes with Ni(II) Cu(II), Zn(II) and Pd(II) metal ions have been prepared and characterized using different techniques. The non-isothermal degradation of Pd(II)–(Scna) was stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77f19223580ff64478123990e84202ea
https://doi.org/10.1039/c9nj04594e
https://doi.org/10.1039/c9nj04594e
Publikováno v:
Egyptian Journal of Chemistry.
Moringa oleifera is one of miracle tree and great interested medicinal plant which belongs to Moringaceae. It is widely used as a nutritive herb and possesses valuable pharmacological activities. In our study a rapid, sensitive and accurate HPLC meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fad181b6230fc0112fc31e98a8eba11
https://doi.org/10.21608/ejchem.2020.46603.2949
https://doi.org/10.21608/ejchem.2020.46603.2949
Publikováno v:
Egyptian Journal of Chemistry.
Derivative spectrophotometry for two sulfa drugs (Diaveridine and sulfadimidine) was carried out for their simultaneous quantification in their binary mixtures. The optimum conditions were studied. The zero crossing wavelengths for Diaveridine (DV) i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac1d21e3687b2c9610c5d5a44f7a5629
https://doi.org/10.21608/ejchem.2020.22732.2353
https://doi.org/10.21608/ejchem.2020.22732.2353
Publikováno v:
Egyptian Journal of Petroleum, Vol 27, Iss 4, Pp 523-530 (2018)
Alkaline leaching of U (VI) from the crude yellow cake (Abu-Zenima Project, Sinai, Egypt) was applied using sodium bicarbonate solution at moderate temperature 45 °C. The effect of different leaching parameters such as sodium bicarbonate concentrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ebccb4a0a90486699aa7bfb9ad698be
http://www.sciencedirect.com/science/article/pii/S1110062117301927
http://www.sciencedirect.com/science/article/pii/S1110062117301927
Publikováno v:
The Open Medicinal Chemistry Journal
Introduction: New benzopyrone derivatives such as Schiff’s like compounds, acetohydrazides or substituted with oxadiazole or pyrazole heterocycles were synthesized from parent acid hydrazide compound 3. Methods and Materials: Structures of the synt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41c946d1054ea2bab1ef89834865bd28
https://doi.org/10.2174/1874104501711010081
https://doi.org/10.2174/1874104501711010081
Publikováno v:
Applied Organometallic Chemistry. 33
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cbae851067ebc4672da6f58357d1909
https://doi.org/10.1002/aoc.4968
https://doi.org/10.1002/aoc.4968
Publikováno v:
Journal of Molecular Structure. 1223:129203
Novel Nickel (II), Copper (II), Zinc (II) and Palladium (II) chelates with 1‑hydroxy-4-((4-(N-(pyrimidin-2-yl)sulfamoyl)phenyl)diazenyl)-2-naphthoic acid (H3L) have been produced and clarified using several physicochemical techniques. Quantum mecha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70c3ba9dd3b16446661cbe9f30746a44
https://doi.org/10.1016/j.molstruc.2020.129203
https://doi.org/10.1016/j.molstruc.2020.129203