Published April 1965 | Version v1
Book Metadata-only

The Interaction of C14 Recoil Atoms in Binary Mixtures

Creators

  • 1. Moskovskij Gosudarstvennyj Universitet, Moskva, SSSR (Russian Federation)

Description

A study was made of the intermolecular distribution of activity in C14 -labelled products, formed as a result of the interaction of C14 atoms with components of binary liquid mixtures containing heterocyclic compounds. Particular attention was paid to the systems indole-aniline, indole-pyridine, α-picoline-toluene, α-picolene-aniline, etc. Data were obtained on the relation between the radiochemical yields of labelled products and the concentration of components in dilute solutions and in comparable concentrations of substances in mixtures. Analysis of the experimental results for an additive system enabled us to determine the deviations from the additivity principle. The deviations observed were interpreted as the result of the participation of the second component of the system in the primary and secondary reactions accompanying nuclear transformations. In considering the role of the second component, we took into account the variations in its predominant reaction mechanisms in various concentration ranges. Special attention was paid to the possibility of an intermolecular transfer of the energy of a radiation shield, and also of the mechanism of the corresponding processes. (author)

Abstract (French)

Les auteurs étudient la distribution intermoléculaire de la radioactivité dans les produits marqués avec 14C qui se forment à la suite de l'interaction entre le carbone-14 et les composants de mélanges liquides binaires contenant des substances hétérocycliqiies. Ils examinent notamment les systèmes indole-aniline, indole- pyxidine, α-picoline-toluol, α-picoline-aniline, etc. Ils ont obtenu des données sur la relation entre le rendement radiochimique en produits marqués et la concentration des composants pour des solutions diluées et pour des mélanges où les deux substances ont des concentrations comparables. En traitant les données expérimentales selon un schéma additif, ils ont constaté des écarts par rapport à la règle d'additivité. Ces écarts sont considérés comme résultant du fait que le deuxième composant du système participe aux réactions primaires et secondaires qui accompagnent les transformations nucléaires. En examinant le rôle du deuxième composant, les auteurs tiennent compte des particularités que présentent les mécanismes dominants des réactions subies par ce composant dans les divers intervalles de concentration. Ils étudient notamment la possibilité.d'un transfert d'énergie intermoléculaire, ainsi que les mécanismes des processus correspondants. (author)

Abstract (Spanish)

Los autores han investigado la distribución intermolecular de la actividad en los productos marcados con 14C, formados como resultado de la interacción de átomos de 14C con los componentes de mezclas binarias en estado líquido que contienen compuestos heterocíclicos. Prestaron particular atención a los sistemas indol-anílina, índol-piridina, α-picolina-tolueno, α-picolina-anilina, etc. Obtuvieron datos sobre los rendimientos radioquímicos de los productos marcados en función de la concentración de los componentes en soluciones diluidas y en mezclas con concentraciones comparables de sustancias. El análisis de los resultados experimentales correspondientes a un sistema de adición, permitió a los autores determinar las desviaciones con respecto a la normal. Estas desviaciones se consideraron como resultado de la participación de un segundo componente del sistema en las reacciones primarias y secundarias que acompañan a las transformaciones nucleares. Al examinar el papel desempeñado por el segundo componente, tuvieron en cuenta la variación de los mecanismos de reacción predominantes en distintos intervalos de concentración. Examinaron en particular la posibilidad de una transferencia intermolecular de la energfa de resistencia a la radiólisis, así como los mecanismos de los procesos correspondientes. (author)

Abstract (Russian)

Issledovano mezhmolekuljarnoe raspredelenie aktivnosti v mechennyhpo C14 produktah, obrazujushhihsja v rezul'tate vzaimodejstvija atomov ugleroda-14 s komponentami binarnyh zhidkih smesej, soderzhashhih geterociklicheskie soedinenija. V chastnosti, izucheny sistemy indol- anilin, indol— piridin, α-pikolin —toluol, α-pikolin—anilin i t.d. Polucheny dannye po zavisimosti radiohimicheskih vyhodov mechenyh produktov ot koncentracii komponentov v oblasti razbavlennyh rastvorov i v oblasti sravnimyh koncentracij veshhestv v smesjah. Pri obrabotke jeksperimental'nyh rezul'tatov po additivnoj sheme bshsh zafiksirovany otklonenija ot pravila additivnosti. Nabljudavshiesja otklonenija traktujutsja kak rezul'tat uchastija vtorogo komponenta sistemy v pervichnyh i vtorichnyh reakcijah soprovozhdajushhih jadernye prevrashhenija. Pri obsuzhdenii roli vtorogo komponenta uchityvajutsja otlichija preobladajushhih mehanizmov ego reakcij v razlichnyh koncentracionnyh intervalah. Rassmatrivajutsja v chastnosti vozmozhnost' mezhmolekuljarnoj peredachi jenergii radiacionnoj zashhity, a takzhe mehanizmy sootvetstvujushhih processov. (author)
Part of:
Chemical Effects of Nuclear Transformations Vol. I. Proceedings of the Symposium on Chemical Effects Associated with Nuclear Reactions and Radioactive Transformations

Additional details

Additional titles

Original title (Russian)
Интераcтион ентре Атомес

Publishing Information

Publisher
IAEA
Imprint Place
Vienna (International Atomic Energy Agency (IAEA))
Imprint Title
Chemical Effects of Nuclear Transformations Vol. I. Proceedings of the Symposium on Chemical Effects Associated with Nuclear Reactions and Radioactive Transformations
Imprint Pagination
457 p.
Series
Proceedings Series
Journal Page Range
p. 373-383
ISSN
0074-1884

Conference

Title
Symposium on Chemical Effects Associated with Nuclear Reactions and Radioactive Transformations
Dates
7-11 Dec 1964
Place
Vienna (Austria)

INIS

Country of Publication
International Atomic Energy Agency (IAEA)
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
44096381
Subject category
S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ANILINE; BINARY MIXTURES; CARBON 14; CONCENTRATION RATIO; INDOLES; LABELLED COMPOUNDS; PYRIDINE; RADIOCHEMISTRY; REACTION KINETICS; RECOILS; SECONDARY REACTIONS; SOLUTIONS; TOLUENE
Descriptors DEC
ALKYLATED AROMATICS; AMINES; AROMATICS; AZAARENES; AZINES; AZOLES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; CHEMISTRY; DIMENSIONLESS NUMBERS; DISPERSIONS; EVEN-EVEN NUCLEI; HETEROCYCLIC COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROCARBONS; ISOTOPES; KINETICS; LIGHT NUCLEI; MIXTURES; NUCLEAR REACTIONS; NUCLEI; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; PYRIDINES; PYRROLES; RADIOISOTOPES; YEARS LIVING RADIOISOTOPES

Optional Information

Notes
3 refs., 3 tabs., 6 figs. Imprint:In two volumes
Secondary number(s)
IAEA-SM--57/52