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首页> 外文期刊>Journal of thermal analysis and calorimetry >Diagramme de phases du systeme binaire AgNO_3-RbNO_3
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Diagramme de phases du systeme binaire AgNO_3-RbNO_3

机译:Diagramme de phases du systeme binaire AgNO_3-RbNO_3

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摘要

Phase diagram of the binary system AgNO_3-RbNO_3 was studied using thermal analysis technique, differential scanning calorimetry and X-ray diffraction. This binary exhibits a congruently melting compound Ag_(0.5)Rb_(0.5)NO_3 (m. p. = 138 ℃), an incongruently melting one Ag_(0.33)Rb_(0.66)NO_3 with two polymorphic varieties, two eutectics at (36 mol RbNO_3, 128 ℃) and at (60 mol RbNO_3, near 134 ℃) respectively and a peritectic at (60.5 mol RbNO_3, 141 ℃). This system contains also three invariant reactions at 164, 222 and 282 ℃ due to the phase transitions of RbNO_3 and another one at 164 ℃ due t the phase transition of AgNO_3.

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