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壮涵123

新虫 (小有名气)

[交流] 溶出度数据忽高忽低什么情况 已有1人参与

BCS二类,pH6.8的介质,六杯,5min做到45min都是弃5mL,进样小瓶里留1到1.5mL,溶出度一直增大。

60min考察滤膜吸附的影响,前两杯做平行样品,都是弃1mL,小瓶里留1mL,之后往各进样小瓶里注入1mL,第3到6杯依旧弃5留5。

70min增加转速,老规矩弃5留5

然后出来的60min溶出度就忽高忽低,70min的比60min的要低。

制剂小白,求各位老师前辈讲解

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201004041077

铁杆木虫 (知名作家)

2楼2022-01-15 07:52:43
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壮涵123

新虫 (小有名气)

引用回帖:
2楼: Originally posted by 201004041077 at 2022-01-15 07:52:43
滤膜吸附

我知道,我们做的就是这个的影响因素考察,现在想知道为什么忽高忽低

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3楼2022-01-15 11:07:36
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