Decomposition products of KF • H2O2 studied by X-ray powder diffraction

被引:0
|
作者
Titova, KV [1 ]
Nikol'skaya, VP
Buyanov, VV
Pudova, OV
机构
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] FGUP State Inst Biol Instrument Design, Moscow, Russia
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中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The composition of decomposition products of KF center dot H2O2 is studied by X-ray diffraction analysis. It is shown that, on heating to 140 degrees C under polythermal conditions, the peroxo solvate decomposes to form anhydrous potassium fluoride. The decomposition is accompanied by the appearance of extra reflections, which are presumably due to products of partial KF hydrolysis. Upon prolonged storage (for 3 or 4 years) of the peroxo solvate at 20 degrees C or upon its decomposition at 80 degrees C under isothermal conditions, potassium fluoride is isolated as a new previously unknown crystalline phase.
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页码:639 / 641
页数:3
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