Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Ahmed A. El-Hadad"'
Publikováno v:
Microchemical Journal. 175:106966
An environmentally-friendly, inexpensive, and high-throughput method was developed for the simultaneous determination of three important heavy metal ions including Pb(II), Bi(III) and Cu(II). Those can cause synergistic toxicological effects in anima
Autor:
Raymond G. W. Sung, Ahmed A. El-Hadad, Bruce R. McGarvey, Dennis G. Tuck, Arun K. Trikha, Belabbes Merzougui
Publikováno v:
Journal of the Chemical Society, Dalton Transactions. :1046-1052
Germanium powder reacts slowly with 3,5-di-tert-butyl-1,2-benzoquinone (dbbq) in refluxing toluene to give products whose composition depends on the initial mole ratio of the reactants. When Ge ∶ dbbsq = 1 ∶ 2, the solid product is a monoradical
Comparative studies of electron transfer in orthoquinone derivatives of gallium, indium and thallium
Autor:
Ahmed A. El-Hadad, Raymond C. W. Sung, Martyn A. Brown, Bruce R. McGarvey, Arun K. Trikha, Dennis G. Tuck
Publikováno v:
Inorganica Chimica Acta. :613-621
The interactions of gallium, indium and thallium with 3,5-di-tert-butyl-1,2-benzoquinone (TBQ) and its reduced derivatives TBSQ − (=3,5-di-tert-butyl-1,2-benzosemiquinonate anion) and TBCAT2− (=3,5-di-tert-butyl-catecholate) are discussed in term
Publikováno v:
Inorganic Chemistry. 34:120-123
Autor:
Ahmed A. El-Hadad, Theodore A. Annan, Bruce R. McGarvey, Dennis G. Tuck, Martyn A. Brown, Andrzej Ozarowski
Publikováno v:
Inorganica Chimica Acta. 225:207-213
The reaction of InX3 (X Cl, Br, I) with 2 mol of Na+TBSQ·− (TBSQ·− =3,5-di-t-butyl-o-benzosemiquinonate anion) yields solutions of the diradicals InX(TBSQ)2, whose EPR spectra have been recorded. Addition of pyridine or γ-picoline (L) t
Autor:
Zhigang Tian, Daniel J. Krovich, Bruce R. McGarvey, Dennis G. Tuck, Ahmed A. El-Hadad, Gary C. DeFotis, Andrzej Ozarowski
Publikováno v:
Inorganic Chemistry. 32:841-847
The compound Ga(TBSQ . ) 3 (TBSQ . =3,5-di-tert-butyl- 1,2-benzosemiquinonate anion) has been prepared by two synthetic routes and its structure determined by X-ray analysis. The crystals are rhombohedral, with a=16.408(6) A, c=13.898(4) A, V=3240(2)