نبذة مختصرة : The phase diagram of the binary system NaF-SnF2 was determined by using the thermal analysis method. In addition to the crystallisation fields of pure components the formation of three other crystallisation fields was observed and these were attributed to the compounds: NaF·2SnF2, NaF·SnF2 and 2NaF·SnF2. The coordinates of the four eutectic points are: e1: 70 mol% NaF, 30 mol% SnF2 and 255°C e2: 58 mol% NaF, 42 mol% SnF2 and 238°C e3: 44 mol% NaF, 56 mol% SnF2 and 246°C e4: 18 mol% NaF, 82 mol% SnF2 and 191°C
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