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。
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。
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。
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。
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。
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；
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。
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；
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。
Methods icariin was used as the chemical reference substance to establish HPLC and ultraviolet spectrophotometry methods for content determination of icariin and total flavonoids.
方法以淫羊藿苷为指标，采用高效液相色谱法测定淫羊藿苷的含量，紫外分光光度法测定总黄酮的含量。
Sichuan Weikeqi Biological Technology Co. , Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
单位简介及产品服务：四川省维克奇生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
Chengdu Preferred Biological Technology co., Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
成都普菲德生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
Chengdu Preferred Biological Technology co., Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
成都普菲德生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
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