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ÎÄÏ×ÔÎÄ£ºDy(NO 3 ) 3 (tBu3PO) 2 : Dy(NO3)3 6H 2 O (0.11 g 0.24 mol) in 0.3 g ethanol and tBu3PO (0.11 g 0.50 mmol) in 0.4 g ethanol were mixed and heated to 70 ¡ã C for 30 min. Cooling the solution to − 30 ¡ã C for 5 days a small quantity of colorless crystals formed. These were filtered, washed with a small quantity of cold ethanol and dried at the pump to give 0.12 g (64%) colorless crystals. ÇóÖúÎÊÌ⣺ÎÄÏ×µÄÒâ˼Êǽ«ÏõËáïáºÍÈýÊå¶¡»ùÑõÁ×·Ö±ðÈÜÓÚ¼«ÉÙµÄÒÒ´¼ÖУ¬ÔÙ¼ÓÈÈ70¶È·´Ó¦30·ÖÖÓ¡£ÔÚÕâôÉÙµÄÈܼÁÖмÓÈȵ½70¶ÈµÄ»°ÒÒ´¼»ù±¾ÒѾȫ²¿»Ó·¢£¬ÔÁϹÌÌå¾Í»áÎö³ö¡£Çë¸÷λ¸ßÊÖÖ¸½Ì±¾ÊµÑéÓ¦¸ÃÔõô²Ù×÷±È½ÏºÃ£¿ÊÇÀ©´óÁ¿×öÂð»¹ÊǶàÓÃһЩÈܼÁ£¬È»ºóÕô³öÒ»²¿·Ö£¿¸Ð¾õ¶¼²»Ì«ºÃ¡£ ¸½ÔÎÄÏ× |
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