Results 211 to 220 of about 269,337 (267)
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Calcium Fluosilicate Compound is not Calcium Fluosilicate
Journal of Economic Entomology, 1932The difference between true calcium fluosilicate and “calcium fluosilicate compound” is pointed out. It should be remembered that entomological results obtained with these materials should be reported separately and should not be compared as they are very much different in chemical composition. Analyses and compositions of these materials are shown.
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The alkalizing properties of calcium hydroxide compounds
Dental Traumatology, 1989Abstract Calcium hydroxide compounds are available in various forms, such as in aqueous suspensions or as cements, liners, pastes or filled resins. When such compounds are exposed to water, the calcium hydroxide dissociates and the pH value shifts to the basic.
H J, Staehle, T, Pioch, W, Hoppe
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Salen-Type Compounds of Calcium and Strontium
Inorganic Chemistry, 2002Salen complexes of the heavy alkaline-earth metals, calcium and strontium, were prepared by the reaction of various salen(t-Bu)H(2) ligands with the metals in ethanol. Six new calcium and strontium compounds, [Ca(salen(t-Bu))(HOEt)(2)(thf)] (1), [Ca(salen(t-Bu))(HOEt)(2)] (2), [Ca(salpen(t-Bu))(HOEt)(3)] (3), [Ca(salophen(t-Bu))(HOEt)(thf)] (4), [Sr ...
Mario, Sánchez +4 more
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XPS study of some calcium compounds
Journal of Materials Processing Technology, 1995Abstract X-Ray Photoelectron Spectroscopy (XPS) photoemission lines of some calcium compounds have been measured. The fine structure and position of the Ca 2 p 3 2 line is discussed. The Wagner diagram of the oxygen KLL transitions is presented. The surface composition of some compounds is calculated.
B. Demri, D. Muster
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Superconducting graphite intercalation compounds with calcium
Solid State Sciences, 2008"In the graphite-lithium-calcium system, four well-defined intercalation compounds were synthesised. Two of them, CaC6 and Li3Ca2C6, exhibit superconducting properties at 11.5 K and 11.15 K, respectively, the highest critical temperatures among those of graphite intercalation compounds.
N. Emery +7 more
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Calcium Reduction of Zirconium Oxide Compounds
Inorganic Materials, 2020We have determined the adiabatic temperature of the calcium reduction of ZrO2 and CaZrO3 (1525 and 1040 K, respectively) and the reaction onset temperature. In a mixture of reagents under an argon atmosphere in a reactor, it is about 1123 K and is determined by the calcium melting onset. If calcium particles with CaCl2 film on their surface are used as
V. M. Orlov, M. V. Kryzhanov
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Calcium Complexing by Phosphorus Compounds
1969The ability of the polyphosphates to form water-soluble complexes with calcium has been known for a long time. The phenomenon of binding alkaline earth ions in soluble complexes, and thus preventing the formation of undesirable precipitates, is generally called “sequestration.” This was the subject of earlier patent literature.1 The role of these ...
C. F. Callis, A. F. Kerst, J. W. Lyons
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Adjuvant Properties of Aluminum and Calcium Compounds
1995It is likely that aluminum compounds will continue to be used with human vaccines for many years as a result of their excellent track record of safety and adjuvanticity with a variety of antigens. For infections that can be prevented by induction of serum antibodies, aluminum adjuvants formulated under optimal conditions are the adjuvants of choice. It
R K, Gupta +3 more
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Microdetermination of calcium in organic compounds
Microchemical Journal, 1973Abstract A sensitive method for microdetermination of calcium in organic compounds is described. The combustion in an oxygen stream or oxygen flask with electrical ignition of the sample in porcelain crucible was found advisable. Carbon dioxide has to be expelled and the erroneous effect of phosphate eliminated by adsorption on an anion exchanger ...
J. Penić +3 more
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Fused 1,4-Dihydropyridines as Potential Calcium Modulatory Compounds
Mini-Reviews in Medicinal Chemistry, 20061,4-Dihydropyridine (1,4-DHP) derivatives nifedipine of which the prototype, are the most popular drugs having calcium antagonistic activity. Fused 1,4-dihydropyridines (DHPs) have also exhibit calcium modulatory activities. In this article, we emphasize calcium channels and fused 1,4-DHP derivatives affecting calcium channels.
Cihat, Safak, Rahime, Simsek
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