EP对照品纯度问题? 01. How can I find out the purity of a Ph. Eur. CRS? The assigned content of a CRS is given in the online search catalogue and on the CRS label, when it is required to calculate the content using the prescribed test and/or assay of a prevailing European Pharmacopoeia monograph. In other cases, values are not assigned and it cannot be assumed that the purity is 100%. However, the purity of an impurity CRS, can be assumed to be 100% for the test for related substances of the prevailing European Pharmacopoeia monograph, if the purity is not indicated. The assigned content of lyophilised preparations may be expressed as mass of pure substance per vial (eg mg/vial) or potency per vial (eg IU units/vial).查看更多
用HPMC做的缓释片做溶出时粘壁怎么办?篮法的话不是一般都不会超过100转吗,怎么还会有200转的啊,最新的指导原则上好像还说篮法尽量选用低于100rpm的转速呢... The level a ivivc model supports these dissolution speccifications查看更多