Published December 1989
| Version v1
Journal article
Radiolysis of modified silica
Creators
- 1. Moskovskij Gosudarstvennyj Univ., Moscow (USSR). Khimicheskij Fakul'tet
Description
The effect of gamma-radiation on silica hydrothermally modified by methanol (1) and tetra-N-methylammoniumhydroxide (2) is studied. The ESR method is used to identify radiolysis products. It is found that radiolysis of silica modified by 1 occurs with the formation of radicals SiOCH2 grafted to a silica matrix, and for the silica hydrothermally modified by 2 SiOCH2 and SiNHCH2 grafted radicals as well as methyl radicals sorbed by a silica matrix are radiolysis products. The formation of SiNHCH2 radicals is explained by the radiolysis of the N-C bond with the following hydrogen migration from carbon atom to nitrogen atom
Additional details
Additional titles
- Original title (Russian)
- Радиолиз модифицированных кремнеземов
Publishing Information
- Journal Title
- Zhurnal Fizicheskoj Khimii
- Journal Volume
- 63
- Journal Issue
- 12
- Series
- Zh. Fiz. Khim.
- Journal Page Range
- 3364-3367
- ISSN
- 0044-4537
- CODEN
- ZFKHA
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- USSR
- INIS RN
- 21082133
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- CHEMICAL BONDS; CHEMICAL REACTION KINETICS; ELECTRON SPIN RESONANCE; GAMMA RADIATION; METHANOL; QUATERNARY COMPOUNDS; RADIATION DOSES; RADICALS; RADIOLYSIS; SILICON OXIDES; SPECTRA
- Descriptors DEC
- ALCOHOLS; AMINES; CHALCOGENIDES; CHEMICAL RADIATION EFFECTS; CHEMICAL REACTIONS; DECOMPOSITION; ELECTROMAGNETIC RADIATION; HYDROXY COMPOUNDS; IONIZING RADIATIONS; KINETICS; MAGNETIC RESONANCE; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; RADIATION EFFECTS; RADIATIONS; REACTION KINETICS; RESONANCE; SILICON COMPOUNDS