Hydroxylammonium fluorosilicates

A new hydroxylammonium compound (NH 3OH) 2SiF 6, has been synthesized by the addition of solid NH 3OHF to an aqueous solution of H 2SiF 6. The compound was characterized by chemical analysis and X-ray powder diffraction, the thermal decomposition was studied by thermal analysis and mass spectrometry...

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Bibliographic Details
Published in:Journal of fluorine chemistry 2001-07, Vol.109 (2), p.209-212
Main Authors: Kristl, Matjaž, Ban, Irena, Drofenik, Miha, Popovič, Arkadij
Format: Article
Language:English
Subjects:
Hydroxylammonium fluorosilicates
Mass spectroscopy
Thermal analysis
X-ray powder diffraction
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Summary:A new hydroxylammonium compound (NH 3OH) 2SiF 6, has been synthesized by the addition of solid NH 3OHF to an aqueous solution of H 2SiF 6. The compound was characterized by chemical analysis and X-ray powder diffraction, the thermal decomposition was studied by thermal analysis and mass spectrometry. (NH 3OH) 2SiF 6 crystallizes triclinic. Four endothermic peaks have been observed on the DSC curve, the decomposition products are HF, NH 3OHF and SiF 4 and the weight loss at 500°C is nearly 100%.
ISSN:0022-1139
1873-3328
DOI:10.1016/S0022-1139(01)00389-X