17楼: Originally posted by sunxiaoyang010 at 2013-04-23 21:23:53
楼主，我个人分析如下

首先，查到了你这个标准品的leaflet，确实没有注明其纯度。到EDQM的FAQ中查询，可以看到如下解释：
If a CRS has no assigned content, this should in no case be interpreted as if th ...