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For the beef and sheep glands, this procedure, which consists of acetone extraction for 5 days, filtration from gland residue, evaporation of acetone, extraction of the aqueous solution with petroleum ether of boiling point 60-70¡ã, followed by extraction with ethylene dichloride, yields an extract containing between 35 and 45 gm. of solids per 1000 pounds of gland processed. |
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hekai16
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·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:51
·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:51
| ÓÃÕâÖÖ·½·¨£¬¼´ÓñûͪÀ´Ìáȡţ»òÑòµÄÏÙÌå5Ì죬¹ýÂËÂËÔü£¬Õô¸É±ûͪ£¬ÓÃʯÓÍÃÑÔÚ60-70ÉãÊ϶ÈÝÍÈ¡ÂËÒº£¬È»ºóÓöþÂȼ×ÍéÝÍÈ¡£¬1000°õµÄÏÙÌå¿ÉÒԵõ½35-45¿ËÌáÈ¡Îï¡£ |
3Â¥2010-08-03 14:55:56
anjw_00
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·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:43
xing2007(½ð±Ò+5, ·ÒëEPI+1):ºÃÏñÊǶþÂÈÒÒÍ飬лл 2010-08-03 17:11:54
·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:43
xing2007(½ð±Ò+5, ·ÒëEPI+1):ºÃÏñÊǶþÂÈÒÒÍ飬лл 2010-08-03 17:11:54
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2Â¥2010-08-03 14:50:38
slowstar
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·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:57
·¢Ñ¿ÍÁ¶¹(½ð±Ò+1):Thx for your participation! 2010-08-03 15:52:57
|
with petroleum ether of boiling point 60-70¡ã µÚһλ·ÒëµÄ ·ÐµãÔÚ60-70¡ãµÄʯÓÍÃÑ ÊÇ¶ÔµÄ |

4Â¥2010-08-03 15:13:16
anjw_00
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5Â¥2010-08-03 17:15:02














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