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Cobalt(II)-exchange in Zeolite A
(Akadémiai Kiadó, 1995)
The influence of the initial Co(2+) and Na(+) concentrations (Co(Co) and Co(Na), respectively) upon the exchange degree (y) of Na(+) by Co(2+) ions in Zeolite A at 20 oC has been studied. The observed increase of y with ...
Formability of a high-strength Al Mg6.8 type alloy sheet
(Springer, New York, 1998)
Room temperature formability testing was performed on an AlMg6.8 type alloy sheet with a fully recrystallized structure (average grain diameter similar to 18 mu m) and after partial annealing with a retained deformed ...
A novel triclinically deformed chabazite-like aluminophosphate prepared in the presence of tris(1,2-diaminoethane)nickel(II) chloride
(Elsevier, 1998)
The tris(1,2-diaminoethane)nickel(II) complex was found to be a novel structure-directing agent for the preparation of the chabazite-like AlPO4-34 molecular sieve. During crystallization the complex undergoes a ligand ...
(31)P NMR investigation of some microporous zincophosphates
(Serbian Chemical Society, 1996)
High field magic-angle spinning (MAS) (31)P-NMR investigations of novel porous zincophosphates and their cobalt-containing derivatives confirm the framework structure of alternating Zn(Co)O4 and PO4 tetrahedra. The MAS NMR ...
A novel open-framework sodium zincophosphate with isomorphous cobalt(II) substitution
(Royal Society of Chemistry, 1995)
A novel anionic cobalt-substituted zincophosphate framework with a hexagonal unit cell of composition Na6[Co0.2Zn0.8PO4]6·9H2O is synthesised and its crystal structure determined by single crystal X-ray diffraction.
Formation of AlPO4-15 and CoAPO-15 in the presence of hexamethylenetetramine
(Butterworth-Heinemann, 1990)
Two materials, AIPO4-15 and CoAPO-15, with the same aluminophosphate lattice have been obtained by hydrothermal synthesis in the presence of hexamethylenetetramine (HMTA). Their formation is attributed to the influence of ...
Mass spectrometric investigations of some N‐cycloalkyl and N‐aryl fluoroacetamides
(Wiley, Hoboken, 1995)
The electron‐ionization induced mass spectra of some N‐monosubstituted fluoroacetamides of the general formula FCH2CONHR, in which the substituent R is (C3C7) cycloalkyl, phenyl, 4‐methylphenyl, 4‐carbo‐methoxyphenyl, ...
Experimental and theoretical study of molecular H-complexes of ketones with diphenyl-p-chlorophenyl carbinol
(Elsevier, Amsterdam, 1992)
The interaction between hydroxy-diphenyl-[4-chlorophenyl]-methane and some typical ketones was studied both in theoretical and experimental ways. It was concluded that the Cl-substituted phenyl group contributes to the ...
The retention behavior of some anilides on unconventional TLC supports
(Akademiai Kiado Zrt, Budapest, 1997)
The TLC retention behavior of formanilide and I substituted acetanilides on starch and cellulose layers has been studied using aqueous mobile phases with methanol, acetonitrile, acetone, and 1-propanol as modifiers, R-Mw ...
Alkylation of N-ethyl-2-phenylacetamide with benzyl halides
(Serbian Chemical Society, Belgrade, 1996)
Alkylations of N-ethyl-2-phenylacetamide with benzyl halides (chloride, bromide and iodide) in the presence of powdered KOH were carried out in order to establish the possible reaction products as well as to ascertain ...