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yunfeng1985Ìú³æ (СÓÐÃûÆø)
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The temperatures of phase transitions were determined in ternary mixtures with a constant mass content of (2), respectively, 2.5, 5.0, 7.5, 10.0, 20.0, 40.0, 70.0 mass % and also in ternary mixtures with constant mass relationship of (1) and (3) as 45.0:55.0, 57.5:42.5, and 70.0:30.0, respectively. L1 nitromethane-rich phase; L2 propanetriol-rich phase; L3 acid-rich phase. The phase which is being dissolved is indicated in the table. Method/Apparatus/Procedure: The synthetic method (Alekseev1) was used. Mixtures of (1), (2) and (3) of total mass 10g were heated with vigorous stirring to a temperature higher than the homogenization temperature, then slowly cooled until turbidity appeared. Heating and cooling cycles were repeated twice. Temperature values obtained for appearing and disappearing turbidity were averaged. |
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yunfeng1985(½ð±Ò+2): 2010-03-22 18:27
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Ïà±äζÈͨ¹ý3×éÖÊÁ¿ºã¶¨µÄ»ìºÏÎïÀ´²â¶¨¡£·Ö±ðΪ 2.5, 5.0, 7.5, 10.0, 20.0, 40.0, 70.0µÄÖÊÁ¿°Ù·Ö±È ºÍ 3×é·ÝÖÊÁ¿ºã¶¨µÄ»ìºÏÎ1£©£º£¨3£©·Ö±ðΪ 45.0:55.0, 57.5:42.5, and 70.0:30.0 ¸÷Ïà°´ÕÕϱíµÄ·½Ê½Èܽâ L1£ºÏõ»ù¼×ÍéÏà L2£º±ûÈý´¼Ïà L3£ºËáÏà ·½·¨£¬ÒÇÆ÷£¬¹ý³Ì ²ÉÓà (Alekseev1)ºÏ³É·½·¨¡£»ìºÏÎ1£©£¬£¨2£©ºÍ£¨3£©×ܹ²10g¼ÓÈÈ£¬¿ìËÙ½Á°èÖ±µ½¸ßÓÚ¾ù»¯Î¶ȡ£È»ºó»ºÂýÀäÈ´Ö±µ½³öÏÖ»ë×Ç¡£¼ÓÈȺÍÀäÈ´Ñ»·Öظ´Á½´Î£¬×îÖÕµÄζÈÊýֵΪ³öÏÖ»ë×ÇµÄÆ½¾ùζȺͻë×ÇÏûʧƽ¾ùÎÂ¶È Ã»¿´µ½ÄãµÄ»ìºÏÎ1£© [ Last edited by xiaoqihu on 2010-3-8 at 21:38 ] |

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