Results 261 to 270 of about 48,676 (294)
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1975
These two metals are less well known than many other of the second- and third-row transition metals, although interest in rhenium chemistry has recently increased. Technetium, as its name suggests, is an artifically produced element, the only such among all the d transition metals.
S. A. Cotton, F. A. Hart
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These two metals are less well known than many other of the second- and third-row transition metals, although interest in rhenium chemistry has recently increased. Technetium, as its name suggests, is an artifically produced element, the only such among all the d transition metals.
S. A. Cotton, F. A. Hart
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ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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Technetium Complexes with Triazacyclononane
Inorganic Chemistry, 2006[NBu4][TcOCl4] reacts with ethylene glycol and 1,4,7-triazacyclononane (tacn) in MeOH under the formation of the deep-blue oxotechnetium(V) cation [TcO(OC2H4O)(tacn)]+, which can readily be oxidized by air to give the stable technetium(VII) compound [TcO3(tacn)]+.
Ulrich Abram, Henrik Braband
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Seminars in Nuclear Medicine, 1974
The detection of a number of impurities in 99m Tc effluents from 99 Mo generators is important for proper use of the generator systems. Their identification is described in this review. Technetium in sulfur colloid is probably present as Tc 2 S 7 .
P. Richards, J. Steigman
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The detection of a number of impurities in 99m Tc effluents from 99 Mo generators is important for proper use of the generator systems. Their identification is described in this review. Technetium in sulfur colloid is probably present as Tc 2 S 7 .
P. Richards, J. Steigman
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Manganese, Technetium and Rhenium
ChemInform, 2003AbstractFor Abstract see ChemInform Abstract in Full Text.
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International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes, 1986
The chemistry of the technetium-sulfur colloid produced by the reaction of sodium thiosulfate with acid was investigated. A commercial kit was duplicated, and analyses of elemental sulfur, bisulfite and residual thiosulfate were carried out. The colloidal dispersions were filtered through Nuclepore graded membranes, and the percentages of sulfur and of
Joseph Steigman +2 more
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The chemistry of the technetium-sulfur colloid produced by the reaction of sodium thiosulfate with acid was investigated. A commercial kit was duplicated, and analyses of elemental sulfur, bisulfite and residual thiosulfate were carried out. The colloidal dispersions were filtered through Nuclepore graded membranes, and the percentages of sulfur and of
Joseph Steigman +2 more
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Journal of Nuclear Cardiology, 2010 ChemInform Abstract: Heat Capacities of Technetium Metal and Technetium—Ruthenium Alloy.
ChemInform, 2002AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Kazuo Minato, Yoshiro Shirasu
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1996
Environmental technetium is an important radioelement to which consideration must be given in order to guarantee safety in nuclear waste disposal. Various analysis methods for micro and ultramicro quantities of technetium are being developed and their merits and demerits are being evaluated.
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Environmental technetium is an important radioelement to which consideration must be given in order to guarantee safety in nuclear waste disposal. Various analysis methods for micro and ultramicro quantities of technetium are being developed and their merits and demerits are being evaluated.
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Journal of Chemical Education, 1959
Examines the isolation and chemistry of technetium and promethium and some of their compounds.
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Examines the isolation and chemistry of technetium and promethium and some of their compounds.
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