结论多波长逐步筛选校正法具有简便、准确的优点，可以作为高效液相定量分析的一种替代方法。

Conclusions Multiwavelength stepwise method has the advantages of convenience and exactness, can be an alternative method for HPLC quantitative analysis.

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用高效液相色谱对纯化样品进行了定性和定量分析，结果显示三次重结晶后胡萝卜素纯度为88.56%。

HPLC methods were used for the qualitative and quantitative analysis. The purity of carotene crystal was 88.56% by HPLC method.

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目的中空纤维液相微萃取结合高效液相色谱法同时对制首乌中蒽醌类化合物作定量分析。

OBJECTIVE to quantitatively analyze anthraquinones in Radix Polygoni Multiflori Praeparata by liquid-phase microextraction (LPME) coupled with high performance liquid chromatography.

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