Methods: Using improved pharmacopeia.

方法：采用改进药典法。

Made to US Pharmacopeia - USP - quality, purity and potency standards.

美国usp专利品质，纯自然能量标准。

USP's primary source for these methods is the European Pharmacopeia (EP) method.

回答：usp方法的主要来源是《欧洲药典》方法。

Allowance is made in this Pharmacopeia for the detection of foreign substances by unofficial methods.

该药典中允许通过非法定的方法检测外来物质。

Methods The methods of bacterial endotoxins test and pyrogen test in Chinese pharmacopeia 2000 were used.

方法参照中国药典2000年版细菌内毒素检查法及热原检查法。