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±¾ÈËÐÂÊÖ£¬³õ´ÎºÏ³É·Ö×ÓɸMOR£¬ÒÔʧ°Ü¸æÖÕ¡£°´ÕÕIZAÉÏÌṩµÄ·½·¨1991 Geon Joong Kim£¬WhaSeung Ahn, Na2O:Al2O3:SiO2£ºH2O=6:1:30:780 , ¼´ http://www.iza-online.org/synthesis/default.htm ¡£ ÔÎÄÊÇÕâÑùдµÄ£º Source Materials distilled water sodium hydroxide (Junsei Co., 95% NaOH) sodium aluminate (Junsei Co., 32.6% Na2O, 35.7% Al2O3) silica powder (Zeosil from Kofran Co., 91.8% SiO2, 8.2% H2O)a Batch Preparation (for 56 g dry product) (1) [40 g water + 19 g sodium hydroxide], stir until dissolved (2) [(1) + 14.3 g sodium aluminate], stir until dissolved (3) [(2) + 645 g water], mix (4) [(3) + 98.2 g silica], stir for 30 minutes Crystallization Vessel: Teflon-lined stainless steel autoclave Incubation: noneb Temperature: 170¡C Time: 24 hours c Product Recovery (1) Filter and wash to pH < 10 (2) Dry at 100¡C (3) Yield: near 100% on Al2O3 ÎÒÓм¸¸öÒÉÎÊ£º 1.¹ØÓÚ¹èÔ´µÄÎÊÌ⣬silica powderÊÇʲô£¬Zeosil ÊÇʲô£¿ Óëfumed silica ÓÐÊ²Ã´Çø±ð£¿ µ½µ×Ó¦¸ÃÓÃʲôÑùµÄSiO2£¿ ÎÒµÚÒ»´ÎÓõÄÊǹúÒ©ÀïÂôµÄ·ÖÎö´¿µÄÊÔ¼ÁÃûΪ¶þÑõ»¯¹è£¬500g£¨http://www.reagent.com.cn/productsinfo.asp?id=20035718£©¡£ ÎÒ³¢ÊÔÓõÈÖÊÁ¿µÄfumed silica µ«Èܽ⵽һ°ë¾Í»ú»á³É¹ÌÌåÁË£¬½Á²»¶¯ÁË¡£ 2.ÎÒ¿´µ½ÓÐÈËÓÃH2SO4ºÍ¹èËáÄÉ·´Ó¦×ÔÖÆ»îÐÔ¶þÑõ»¯¹è¡£ÇëÎÊÕâÀïµÄ»îÐÔʲôÒâ˼£¿ ÎÒÔٴζÔSiO2µÄÖÖÀàŪÔÎÁË 3.ͶÁϱÈÒ»°ãÔõô¼ÆË㣿 ÐèÒª½«NaOH ºÍÂÁËáÄÆÖеķÇÖ÷Òª³É·ÖÈ«°´Ë®´¦ÀíÂ𣿣¿ºÜ¶àÎÄÏ×ÀﶼֻдͶÁϱȣ¬²¢ÇÒ¿´ÆðÀ´ºÜÕû£¿ ![]() [ Last edited by qiuzhaocao on 2011-11-28 at 16:41 ] |
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