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albert3250
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clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-13 18:53
clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-13 18:53
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i supported ckj33's word whats ur compounds? u have to find the polarity of ur compounds first then choose the solvent to rechromatography that compounds if they are major compounds i think its easy to get them u also have to research some literatures about ur compounds |
5Â¥2009-02-13 00:50:24
ckj33
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clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-12 21:03
clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-12 21:03
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2Â¥2009-02-12 16:33:31
3Â¥2009-02-12 18:15:19
shitou0307
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clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-13 18:53
clkk216(½ð±Ò+1,VIP+0):лл²ÎÓë³æÓÑÌÖÂÛ~~£¡ 2-13 18:53
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4Â¥2009-02-12 23:25:20














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