Radioactive atoms distribution in aromatic compounds labelled by exposure to tritium gas

Cacace, Fulvio; Guarino, A.; Montefinale, Gabriella; Possagno, E.

doi:10.1016/0020-708x(60)90051-x

Cited by 10 publications

(2 citation statements)

References 6 publications

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“…Tritium labeling continues to look attractive as a means of preparing tracer compounds for the study of complex mixtures by GC. Olefins have been prepared by several routes (466), while fatty acids (237) and a number of organics (51) have been labeled by the simple Wilzbach gas exposure technique and by exchange with tritiated water (2). An interesting heterogeneous exchange reaction with a metal tritide (CaT2 prepared in situ in a precolumn) was shown by Stocklin et al (432) to yield labeled hydrocarbons.…”

Section: Detectionmentioning

confidence: 99%

Gas Chromatography

Nogare¹,

Juvet²

1962

Anal. Chem.

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Section: Detectionmentioning

confidence: 99%

Gas Chromatography

Nogare¹,

Juvet²

1962

Anal. Chem.

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“…The same conversion for an isothermal reaction is obtained by the integration of = fci_i ^'-rtl)/2riV (9) where bt is the rate constant evaluated at Tt-Summing these expressions over the entire reactor gives 4 = 1 ti-l) 1 x01~n -x/ã m 1 -n (13) to give Xt-T Xt1'…”

mentioning

confidence: 99%

Mechanism of the self-induced exchange of tritium with halogenated organic molecules. I. Halogenated aromatic hydrocarbons

Wu¹,

Ache²

1969

J. Phys. Chem.

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The self-induced exchange of tritium with the dihalogenated aromatic compounds o-and m-chloroiodobenzene, o-chlorobromobenzene, and o-bromoiodobenzene was studied as a function of the amount of T2 present and exposure time. A smooth correlation exists between the rate with which chlorine, iodine, bromine, and hydrogen were exchanged and the bond energies involved. A mechanism involving organic radicals is proposed to explain the results. Since the incoming tritium atom occupies the same position as the replaced halogen, preferentially the weaker bonded atom, the method can be used to prepare specifically labeled products of high specific T activity.

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Das Arbeiten mit Tritium in der organischen Chemie und Biochemie

Simon

1961

Angewandte Chemie

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Tritium nimmt infolge seiner weichen Strahlung. seiner groBen lsotopeneffekte und seiner relativ geringen Kosten unter den radioaktiven lsotopen eine Sonderstellung ein. Daraus ergeben sich besondere Moglichkeiten und Grenzen des Arbeitens mit Tritium. Die klassische Markierung durch chemische Synthese ist t r o t z d e r Entwicklungen auf dem Gebiet der Direktmarkierung noch von Interesse. In d e r Analytik tritiumhaltiger Verbindungen wurden Fortschritte erzielt. Das hohe Auflosungsvermogen bei der Autoradiographie von Tritium macht dieses lsotop vor allem auch fur biochemische Untersuchungen interessant (Einblick in zellulare und subzellulare Raume).Einleitung *) G-Wert = Zahl der pro 100 eV absorbierter Energie umgesetzten Teiichen.

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Radioactive atoms distribution in aromatic compounds labelled by exposure to tritium gas

Cited by 10 publications

References 6 publications

Gas Chromatography

Gas Chromatography

Mechanism of the self-induced exchange of tritium with halogenated organic molecules. I. Halogenated aromatic hydrocarbons

Das Arbeiten mit Tritium in der organischen Chemie und Biochemie

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