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1·Objective: to synthesize the impurity of pantoprazole as a reference substance.

目的：合成泮托拉唑合成中产生的杂质。

2·OBJECTIVE To establish a preparation method for working reference substance of alliin.

目的建立蒜氨酸工作对照品。

3·Objective: Ligustilide reference substance separation for Chuanxiong quality standards research.

目的：分离藁本内酯对照品对川芎质量标准进行研究。

4·Preparation, homogeneity, stability and certification of reference substance of bornyl acetate were studied.

研究了乙酸龙脑酯标准样品的制备、均匀性和稳定性及其定值方法。

5·Methods: The contents of total flavonoids were measured through UV spectroscopy as Rutin for a reference substance.

方法：以芦丁为对照品，利用紫外分光光度法测定总黄酮的含量。

6·Main component self-compare without calibration factor can also be used when there is no impurity reference substance.

当没有杂质对照品时，也可采用不加校正因子的主成分自身对照法。

7·Results Pomegranate for sample and reference substance showed the same color dot in corresponding chromatograph position .

结果石榴供试品与对照品色谱相应的位置上，显相同颜色的斑点；

8·Using rutin as a reference substance to develop a quantitative method for the determination in different sections of total flavonoid in Blumea balsanifera DC.

以芦丁为对照品，建立紫外分光光度法检测艾纳香总黄酮含量的方法，并检测艾纳香中不同部位总黄酮的含量。

9·Objective: To establish the preparation method of levodopa analog (abbreviate: LDA) reference substance by AKTA Explorer 100 Preparative Chromatography System;

目的：建立制备色谱层析系统制备左旋多巴类似物（简称：LDA）对照品的方法；

10·The total flavanoids contents of Hotan walnut kernel septum membranes in the different extraction solvents by using spectrophotometric method with rutin as reference substance.

以芦丁为对照品，用分光光度法测定不同溶剂提取的和田核桃仁内隔膜中总黄酮含量。