Published November 1989
| Version v1
Journal article
Mechanism of niobium pentoxide interaction with hydrofluorides of potassium and ammonium
- 1. AN SSSR, Apatity (USSR). Inst. Khimii i Tekhnologii Redkikh Ehlementov i Mineral'nogo Syr'ya
Description
Mechanism of Nb2O5 interaction with MHF2 (M = K+, NH4+) was investigated by the methods of thermogravimetry, mass-spectrometry, X-ray diffraction and IR-spectroscopy. In both cases fluorination proceeds in one stage with formation of M3NbOF6. The observed complex form of polytherms of properties, H2O pressure for example, is explained by passivation of Nb2O5 particle
Additional details
Additional titles
- Original title (Russian)
- Механизм взаимодействия пентоксида ниобия с гидрофторидами калия и аммония
Publishing Information
- Journal Title
- Zhurnal Neorganicheskoj Khimii
- Journal Volume
- 34
- Journal Issue
- 11
- Series
- Zh. Neorg. Khim.
- Journal Page Range
- 2740-2743
- ISSN
- 0044-457X
- CODEN
- ZNOKA
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- USSR
- INIS RN
- 21081970
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- AMMONIUM FLUORIDES; CHEMICAL REACTION KINETICS; HIGH TEMPERATURE; HYDROFLUORIC ACID; NIOBIUM OXIDES; POTASSIUM FLUORIDES
- Descriptors DEC
- ALKALI METAL COMPOUNDS; AMMONIUM COMPOUNDS; AMMONIUM HALIDES; CHALCOGENIDES; FLUORIDES; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; KINETICS; NIOBIUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; POTASSIUM COMPOUNDS; REACTION KINETICS; TRANSITION ELEMENT COMPOUNDS