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songchi1012Òø³æ (СÓÐÃûÆø)
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| An oven-dried, 2-L, three-necked, round-bottomed flask, equipped for mechanical stirring, and outfitted with a reflux condenser bearing an argon inlet/outlet vented through a mineral oil bubbler, and a 250-mL, pressure-equalizing addition funnel, is placed under an argon atmosphere and charged with 20.94 g (0.552 mol) of lithium aluminum hydride (LiAlH4), and 850 mL of anhydrous diethyl ether (Note 1) and (Note 2) ¡£ÆäÖеÄoutfitted with a reflux condenser bearing an argon inlet/outlet vented through a mineral oil bubbler, and a 250-mL, pressure-equalizing addition funnel, is placed under an argon atmosphereÊÇʲôÒâ˼°¡£¿ÊÇÐèÒªë²Æø±£»¤µÄ»·¾³ÏÂÂ𣿠|
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cfk580713
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 277
- Ó¦Öú: 30 (СѧÉú)
- ¹ó±ö: 0.038
- ½ð±Ò: 13604.3
- É¢½ð: 123
- ºì»¨: 6
- Ìû×Ó: 1258
- ÔÚÏß: 826.9Сʱ
- ³æºÅ: 253096
- ×¢²á: 2006-05-20
- ÐÔ±ð: GG
- רҵ: Óлú¸ß·Ö×Ó¹¦ÄܲÄÁÏ
2Â¥2012-04-12 19:30:22
cfk580713
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 277
- Ó¦Öú: 30 (СѧÉú)
- ¹ó±ö: 0.038
- ½ð±Ò: 13604.3
- É¢½ð: 123
- ºì»¨: 6
- Ìû×Ó: 1258
- ÔÚÏß: 826.9Сʱ
- ³æºÅ: 253096
- ×¢²á: 2006-05-20
- ÐÔ±ð: GG
- רҵ: Óлú¸ß·Ö×Ó¹¦ÄܲÄÁÏ
3Â¥2012-04-12 19:32:56
songchi1012
Òø³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 319
- É¢½ð: 95
- Ìû×Ó: 71
- ÔÚÏß: 26.6Сʱ
- ³æºÅ: 1389536
- ×¢²á: 2011-09-04
- ÐÔ±ð: MM
- רҵ: ¹âÆ×·ÖÎö
4Â¥2012-04-13 08:26:16














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