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liupeng09

新虫 (小有名气)

[求助] 十万火急!!!自研片与原研片溶出现象不一致

原料为难溶性,辅料为淀粉、预交化淀粉、羧甲淀粉钠、聚维酮K90,润滑剂山嵛酸甘油酯、硬脂酸镁,纯水湿法制粒,原研为溶蚀现象,慢慢溶成细小颗粒悬浮在溶出介质中,底部悬浮较多,自制片崩解后完全堆积在底部,如何解释啊,高手快来指导下吧,谢谢了!急啊!!!!
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zeta1712

金虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
能不能确定原料药的晶型与对照品是否一致
Embracecomplexicity,engineerversatility,anddeliversimplicity
4楼2013-05-14 09:44:03
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150678290

新虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
加表面活性剂,如吐温80,十二烷基硫酸等

[ 发自手机版 http://muchong.com/3g ]
交友
2楼2013-05-13 20:17:08
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liupeng09

新虫 (小有名气)

哪能随便改处方啊,一般不是都和原研尽量一致吗,辅料
3楼2013-05-13 21:48:42
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23010402

捐助贵宾 (著名写手)

【答案】应助回帖

羧甲淀粉钠内加,预胶化淀粉的量增大点,试下
二十年前太小,二十年后太老
5楼2013-05-15 15:24:51
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