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wuliang6898

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after dissolving in Et2o, was extracted with NaOH solns giving 1000g of a neutral fraction and 800of an acid one.
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2Â¥2008-08-13 12:57:04
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wuliang6898

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the air-dired material was crushed and extracted tith hexane in a Soxhlet apparatus for 12hr. The extract was defatted and, after dissolving in Et2o, was extracted with NaOH solns giving 1000g of a neutral fraction and 800 of an acid one.
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3Â¥2008-08-13 14:39:46
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samuelxu231

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4Â¥2008-08-13 16:16:42
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wuliang6898

гæ (СÓÐÃûÆø)

ллÀ² !!!
5Â¥2008-08-14 09:15:59
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xcf220105

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6Â¥2008-08-14 15:07:04
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7Â¥2008-09-05 09:26:33
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liuxianfeng896

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8Â¥2008-09-05 10:52:50
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liuxianfeng896

Í­³æ (СÓÐÃûÆø)

tith hexane £¿


ÊDz»ÊÇ´ò´í×ÖÁË£¿ hexane ÊǼºÍé¡£tith ²»ÖªµÀÊÇʲô
9Â¥2008-09-05 10:56:20
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lying1128

½ð³æ (СÓÐÃûÆø)

ÄÇÓ¦¸ÃÊÇextracted with hexane
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10Â¥2008-09-07 21:17:38
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