1977
DOI: 10.1107/s0567740877003513
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Structural relationships between the polymorphs of silver nitrate

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Cited by 10 publications
(3 citation statements)
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“…40 The DTA curve of AgNO 3 shows two endothermic peaks at approximately 165 and 210 C. The latter peak was attributed to the melting of the compound, and the lower peak is probably connected with a polymorphic transition. [39][40][41] In the case of the TG and DTG curves, complete decomposition of the liquefied compound is observed between 360-500 C, with the final endothermic peak at 500 C and the formation of Ag, regardless of the atmosphere applied in the experiment. 40 The thermal analysis of AgNO 2 shows that decomposition process starts at 120/128 C and initially results in silver(I) oxide and nitrogen oxides NO and NO 2 .…”
Section: Thermal Stabilitiesmentioning
confidence: 99%
“…40 The DTA curve of AgNO 3 shows two endothermic peaks at approximately 165 and 210 C. The latter peak was attributed to the melting of the compound, and the lower peak is probably connected with a polymorphic transition. [39][40][41] In the case of the TG and DTG curves, complete decomposition of the liquefied compound is observed between 360-500 C, with the final endothermic peak at 500 C and the formation of Ag, regardless of the atmosphere applied in the experiment. 40 The thermal analysis of AgNO 2 shows that decomposition process starts at 120/128 C and initially results in silver(I) oxide and nitrogen oxides NO and NO 2 .…”
Section: Thermal Stabilitiesmentioning
confidence: 99%
“…During heating, at temperature 401 K, it transforms to the paraelectric triagonal phase R-3m (phase I). Upon cooling, KNO 3 can change, before returning to phase II, to the ferroelectric triagonal phase with symmetry R-3m (phase III) at the temperature range 397–373 K. The bulk AgNO 3 exhibits the orthorhombic structure at room temperature up to 432 K and undergoes to the rhombohedral above this temperature [ 25 ].…”
Section: Introductionmentioning
confidence: 99%
“…Dynamic disorder is a well-known phenomenon observed upon heating of organic crystals. It is also quite widespread in inorganic compounds with rigid triangular anionic groups such as carbonates and nitrates, 1 for example, NaNO 3 , 2-5 KNO 3 , 6,7 AgNO 3 8,9 and alkaline earth metal carbonates such as CaCO 3 , [10][11][12][13][14] SrCO 3 14,15 and BaCO 3 . 14,15 For the listed compounds, the transition to the dynamically disordered state is realized at high temperatures, usually close to the temperature of melting or decomposition.…”
mentioning
confidence: 99%