HPLC methods were used for the qualitative and quantitative analysis. The purity of carotene crystal was 88.56% by HPLC method.
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%。
Conclusions Multiwavelength stepwise method has the advantages of convenience and exactness, can be an alternative method for HPLC quantitative analysis.
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。
Objective A practicable method for separation and quantitative analysis of REV in Levetiracetam tablets by HPLC.
目的采用高效液相色谱法手性拆分左乙拉西坦片中的右旋异构体。
A method for quantitative analysis of beta-cyfluthrin using normal phase HPLC was studied.
研究了正相高效液相色谱法定量分析高效氟氯氰菊酯的方法。
Objective To develop an HPLC method for the quantitative analysis of tricin in malt.
目的建立用HPLC测定大麦芽中麦黄酮的方法。
A method was described for the quantitative analysis of triazophos by HPLC. The result showed that average recovery rate was 99.2 %, variation coefficient 0.83%, relative coefficient 0.9986.
采用反相高效液相色谱法对三唑磷乳油进行定量分析，其变异系数为0.83%，平均回收率为99.2%，相关系数为0.9986。
A new method has been developed to analyze inositol in feed additive samples. FT - IR technique was used for qualitative analysis, and HPLC technique for quantitative analysis.
用红外光谱对肌醇样品进行定性分析，用高效液相色谱法对肌醇样品的乙酰化产物进行定量测定。
MethodsA TLC method was used for qualitative identification and at HPLC analysis was applied for quantitative determination of Herba Cirsii with linarin as the reference substances.
目的建立小蓟药材的质量标准。方法运用薄层色谱法对小蓟中蒙花苷进行定性鉴别；
MethodsA TLC method was used for qualitative identification and at HPLC analysis was applied for quantitative determination of Herba Cirsii with linarin as the reference substances.
目的建立小蓟药材的质量标准。方法运用薄层色谱法对小蓟中蒙花苷进行定性鉴别；
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