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【答案】应助回帖
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sltmac(金币+2): 谢谢交流~ 2011-07-06 08:16:30
sltmac(金币+20, 翻译EPI+1): 感谢应助，欢迎常来本版~ 2011-07-10 08:51:20
水平有限，仅供参考：
Negative sample solution of preparation：Take Panax Notoginseng and Aucklandia Lappa crushed into fine powder.Crataegus Pinnatifida soak in 60% ethanol 30min, then Crataegus Pinnatifida with 60% ethanol extract by heat reflux twice, the first 2.5h, the second 2h. Combine alcohol extracting solution, and retrieve ethanol with decompression, concentrate to the relative density of 1.35 (20 ℃); Salvia Miltiorrhiza participated in boiling water twice, the first 2h, the second 1.5h, combine water solution, then filtrate. The filtrate was concentrated to the relative density of 1.35 (20 ℃) of the extract. The above two kinds of thick paste dry at 80 ℃.The dry paste crushed into fine powder, and Panax Notoginseng, Aucklandia Lappa powder mixing,and made of particles,then dry.Take the negative samples and grind it, Take about 0.5g by accurately weigh. With the preparation of the test solution,you can obtain negative control solution under the same treatment. |
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