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yungbonjut

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2.2.1 BET±íÕ÷
ÓÉͼ1¿ÉÖª£¬0.01mol/LµÄAgNO3ÖÆ±¸µÄAg-MACÎü¸½µÈÎÂÇúÏßÊôÓÚIVÎü¸½µÈÎÂÏß¡£ÔڽϵÍѹÁ¦Ï±íÏÖΪµ¥·Ö×ÓÎü¸½£¬ÏÔÊ¾ÔØÌåµÄ΢¿×ÐÔÖÊ£»ÔÚѹÁ¦½Ï¸ßʱ£¬±íÏÖΪ¶à²ãÎü¸½£¬ÏÔÊ¾ÔØÌåµÄ½é¿×ÌØÐÔ¡£µ±Ñ¹Á¦´ïµ½Ò»¶¨¸ß¶Èʱ£¬ADSºÍDESÏÔÖøÔö¼Ó£¬±íÏÖΪ±íÃæÎü¸½¡£Í¬Ê±£¬Îü¸½µÈÎÂÏߺÍÍѸ½µÈÎÂÏß²»ÍêÈ«ÖØºÏ£¬±íÏÖ³öH3Ð͵ÄÖͺ󻷣¬±íÃ÷ÁËÔØÌå¿×µÀ³ß´çµÄ²»¾ùÒ»ÐÔ£¬Õâ·ûºÏ̼²ÄÁÏÔØÌåµÄÌØÐÔ£¬Ò²ËµÃ÷MAC¾­´ËŨ¶ÈµÄAgNO3ÐÞÊκóûÓиıäÆä¿×µÀÌØÐÔ£¬Ã»ÓÐÒòÎªÒøÁ£×ӵijÁ»ý¶ø¶ÂÈû¿×µÀ£¬Îª½øÒ»²½µÄ¹ÌÔØÓÅ»¯ÊµÑéÌṩÁË»ù´¡¡£

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daydayup
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fjtony163

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°®ÓëÓêÏÂ(½ð±Ò+1): 2011-11-05 18:44:50
sltmac(½ð±Ò+25): 2011-11-10 09:49:43
sltmac(½ð±Ò+25): 2011-11-10 09:49:47
sltmac(·­ÒëEPI+1): 2011-11-10 09:49:51
sltmac: ÐÁ¿à£¬»¶Ó­³£À´ 2011-11-10 09:49:59
2.2.1 BET characterization
According to Fig.1, the absorption isotherm of Ag-MAC produced by 0.91mol/L AgNO3 is IV absorption isotherm. It shows single-molecule absorption under lower pressure and feature of micropore in carrier; while it shows multi-layer absorption under higher pressure and feature of mesopore in carrier. When pressure reaches certain height, ADS and DES increase dramatically and show surface absorption. Meanwhile, absorption isotherm does not coincide completely with desorption isotherm, which shows hysteresis loop of type H3 and non-uniformity of carrier pore size. This matches feature of carbon material carrier and demonstrates that MAC does not change its pore feature after modified by this concentration of AgNO3. MAC does not block pore because of deposition of silver particle, which provides base for further study in immobilization optimization.
2Â¥2011-11-05 16:34:33
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