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loser_zhuľ³æ (СÓÐÃûÆø)
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| About 75.03 g of Al(NO)3.9H2O was dissolved in 100 mL of deionised water. Desired amount of urea was then added maintaining Al3+ to urea ratio of 1:2. The mixture was then vigorously stirred for 1 h and then dried at 120 ¡æ. |
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loser_zhu(½ð±Ò+15, ·ÒëEPI+1): 2011-08-16 10:21:00
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½«´óÔ¼75.03 gµÄAl(NO)3.9H2O ÈÜÓÚ100mLµÄÈ¥Àë×ÓË®ÖУ¬È»ºó¼ÓÈëÒ»¶¨Á¿µÄÄòËØ£¨ÆäÖÐAl3+ ÓëÄòËØµÄ±ÈÀýÊÇ1:2£©£¬ÔÙ¾çÁÒ½Á°è»ìºÏÎïÔ¼1Сʱ£¬È»ºó½«Æä·ÅÔÚ120¡æµÄ¸ßÎÂϽøÐиÉÔï¡£ °æÖ÷·µÃºÜÇåÎúÁË£¬ÎҾͼӼ¸¸ö×Ö£¬Ê¹¾ä×Ó¸ü¼Óͨ˳µã¡£ºÇºÇ |

3Â¥2011-08-16 09:16:06
sltmac
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°®ÓëÓêÏÂ(½ð±Ò+1): ~£¡ 2011-08-16 08:50:42
°®ÓëÓêÏÂ(½ð±Ò+1): ~£¡ 2011-08-16 08:50:42
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½«´óÔ¼75.03 gµÄAl(NO)3.9H2O ÈÜÓÚ100mLÈ¥Àë×ÓË®ÖС£¼ÓÈëÒ»¶¨Á¿µÄÄòËØ£¨ÆäÖÐAl3+ ÓëÄòËØµÄ±ÈÀýÊÇ1:2£©¡£»ìºÏÎï¾çÁÒ½Á°è1h£¬È»ºóÔÚ120¡æ¸ÉÔï¡£ [ Last edited by sltmac on 2011-8-16 at 08:57 ] |

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