Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Y. M. ISSA"'
Publikováno v:
Oriental Journal of Chemistry. 32:1085-1097
The synthesis and characterization of solid complexes for pantoprazole sodium sesquihydrate (PNZ) with Cd(II), Hg(II) and Zn(II) metals in molar ratios M:L = 1:2 was studied. The complexes are stable in the solid state and are soluble only in DMF and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c9fcd32685a8461b6d691ddb8a95c07
https://doi.org/10.13005/ojc/320234
https://doi.org/10.13005/ojc/320234
Publikováno v:
International Journal of Biomedical Science : IJBS
The interaction of diazepam with picric acid (I), 3,5-dinitrobenzoic acid (II) and 2,4-dinitrobenzoic acid (III) was found to be useful for its spectrophotometric determination. The quantitation was carried out at 475, 500, and 500 nm for the reactio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::1a8a8878d6d41a7353dcd14e5f2c119b
https://pubmed.ncbi.nlm.nih.gov/23675021
https://pubmed.ncbi.nlm.nih.gov/23675021
Autor:
Y. M. Issa, H. B. Hassib
Publikováno v:
Volume: 39, Issue
Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
3- Chloro-3,5-dinitropyridine was used as efficient 77-electron acceptor in the preparation of charge transfer (CT) complexes with aniline and its derivatives acting as donors. The type of interaction and structure of the formed complexes were studie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13df600bb2a76be101a7006f87a02e87
https://doi.org/10.1501/commub_0000000420
https://doi.org/10.1501/commub_0000000420
Publikováno v:
Volume: 33, Issue
Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
The acid dissociation constants of some l-(o-carboxyphenyİ-3-acetyI-5-aryI) formazan are determined in 40 % (v/v) ethanolic buffer Solutions spectrophotometrically. The spectral changes with variation of pH were discussed in relation to the differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::259879eed986c035add5809a4d0092e9
https://doi.org/10.1501/commub_0000000449
https://doi.org/10.1501/commub_0000000449
Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt Manuscript received 29 November 1997, revised 31 December 1997, accepted 26 May 1998 The newly prepared diethyl 2,3-dioxopentanedioate-2-arylhydrazones exist predominantly in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0be433883e6e8a702f7393630d43ded7
Autor:
Y. M. ISSA, W. H. HEGAZY
Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt Inorganic Chemistry Department, National Research Center, Dokki, Egypt Manuscript received 13 December 1995, revised 4 June 1996, accepted 20 June 1996 The formation constants of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a03c75f5339718297ddeea106b5ba899
Autor:
Y. M. ISSA, S. A. ABDEL-LATIF
Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt Beni Suef Branch Manuscript received 5 September 1994, revised 23 August 1995, accepted 15 November 1995 Spectroscopic Studies on some Hydroxy-nitrosocoumarins.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fc360f912fac9004c7c5f99655fb601
Chemistry Department. Faculty of Science, Cairo University, Giza. Egypt Manuscript received 23 June 1994. revised 20 March 1995, accepted 7 September 1995 A new simple, rapid and accurate method for the spectrophotometricdetermination of divalent Co,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d061e2795acd74d3a01a1515c4cab02b
Autor:
M. E. M HASSOUNA, Y. M ISSA
Chemistry Department, Faculty of Science (Beni Seut), Cairo University, Beni Seuf, Egypt Chcmistry Department, Faculty of Science, Cairo University, Giza, Egypt Manuscript received 5 January 1994, accepted 22 March 1994 The title chelates are analyse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce8de89032b7566f2e13b6739ff19d08
Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt Manuscript received 9 July 1992, revised 16 April 1993, accepted 15 June 1993 Studies on some Cobalt-, Nickel-, Copper- and Palladium(II) Complexes with Naphthol Derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab85ff5365d6633e0f2f85c13e703442