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 To establish a preparation method for working reference substance of alliin.
目的建立蒜氨酸工作对照品。
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。
Then refinement and separation of the rutin reference substance was done. Identified the substance by the normal way. TLC and NMR. HPLC was used to determine the content of rutin.
采用既简便又的酸提碱沉法从槐米中提取芦丁,经过精致,分离得芦丁对照品,并用一般方法、薄层层析法、核磁共振法进行鉴定,高效液相法测定其含量。
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。
As and ar in the formula are peak area or peak height of internal standard substance and reference substance, Cs and CR are density of internal standard substance and reference substance separately.
式中as和AR分别为内标物质和对照品的峰面积或峰高,Cs和CR分别为内标物质和对照品的浓度。
Reference to unrealistic routes of administration or uses not pertaining to the known use of the substance will not be accepted.
参考不现实的摄入途径或用途,而并不包括已知的原料药用途是不会被接受的。
Information on the reference standards or reference materials used for testing of the drug substance should be provided.
应提供用于检测原料药的标准品或对照品的信息。
The headings used in this Contract are for ease of reference only, and in no event shall the substance of any paragraph or the intent of the Parties be interpreted or controlled by such headings.
本协议中的标题仅为方便参考而设,不得用于解释或控制协议任何条款的实质内容或各方的意向。
The reference 197A signifies that the substance under examination is intimately in contact with an internal reflection element for attenuated total reflectance (ATR) analysis.
提到意味着该待检物质紧密地接触用于衰减全反射(ATR)分析的内反射元件。
The reference 197A signifies that the substance under examination is intimately in contact with an internal reflection element for attenuated total reflectance (ATR) analysis.
提到意味着该待检物质紧密地接触用于衰减全反射(ATR)分析的内反射元件。
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