Objective:To establish the quality standard of Danmu exract syrup.Methods:TLC method was used to qualitatively identify Nauclea officinalis in Danmu exract syrup.The content of strictosamide and chlorogenic acid in Da...Objective:To establish the quality standard of Danmu exract syrup.Methods:TLC method was used to qualitatively identify Nauclea officinalis in Danmu exract syrup.The content of strictosamide and chlorogenic acid in Danmu exract syrup was determined by high efficiency axillary chromatography.Results:The spots were clear and there was no negative interference.The linear relationship of strictosamide was good in the range of 100~300ug/ml(R^(2)=0.9997).The average recovery was 99.1%and RSD was 1.16%(n=9).Chlorogenic acid had a good linear relationship in the range of 6.7~20.2ug/ml(R^(2)=0.9991).The average recovery was 99.9%and RSD was 1.10%(n=9).Conclusion:The standard is safe and reasonable,the method is simple,accurate and reproducible,and it can be used for the quality control of Danmu exract syrup.展开更多
一、前言核燃料燃耗的测定是极为重要的,历年来作为燃耗监测体的有^(99)Mo,^(137)Cs,^(144)Ce,^(148)Nd和^(99)Tc等,其中^(99)Tc是60年代以来就受到重视的一个。在铀的裂变产物中质量链为99的仅见^(99)Tc的寿命较长。而且^(99)Tc具有高...一、前言核燃料燃耗的测定是极为重要的,历年来作为燃耗监测体的有^(99)Mo,^(137)Cs,^(144)Ce,^(148)Nd和^(99)Tc等,其中^(99)Tc是60年代以来就受到重视的一个。在铀的裂变产物中质量链为99的仅见^(99)Tc的寿命较长。而且^(99)Tc具有高裂变产额,因此在堆温小于1400℃时它是一个较好的燃耗监测体。有关锝的分析方法文献中作了较为详细的介绍。为了准确测定核燃料元件溶解液中的^(99)Tc,首先应将Tc与大量放射性元素分离,其中Foster Jr R.E.展开更多
This article studies the extraction and the solvent and dominant characteristics of the Red Pigment in Hibisc. Also discussed is the influence of metal ion, light, heat, oxidizer and reducer on the Red Pigment in Hibisc.
基金Key science and technology project of Hainan province(No.ZDKJ201805)。
文摘Objective:To establish the quality standard of Danmu exract syrup.Methods:TLC method was used to qualitatively identify Nauclea officinalis in Danmu exract syrup.The content of strictosamide and chlorogenic acid in Danmu exract syrup was determined by high efficiency axillary chromatography.Results:The spots were clear and there was no negative interference.The linear relationship of strictosamide was good in the range of 100~300ug/ml(R^(2)=0.9997).The average recovery was 99.1%and RSD was 1.16%(n=9).Chlorogenic acid had a good linear relationship in the range of 6.7~20.2ug/ml(R^(2)=0.9991).The average recovery was 99.9%and RSD was 1.10%(n=9).Conclusion:The standard is safe and reasonable,the method is simple,accurate and reproducible,and it can be used for the quality control of Danmu exract syrup.
文摘一、前言核燃料燃耗的测定是极为重要的,历年来作为燃耗监测体的有^(99)Mo,^(137)Cs,^(144)Ce,^(148)Nd和^(99)Tc等,其中^(99)Tc是60年代以来就受到重视的一个。在铀的裂变产物中质量链为99的仅见^(99)Tc的寿命较长。而且^(99)Tc具有高裂变产额,因此在堆温小于1400℃时它是一个较好的燃耗监测体。有关锝的分析方法文献中作了较为详细的介绍。为了准确测定核燃料元件溶解液中的^(99)Tc,首先应将Tc与大量放射性元素分离,其中Foster Jr R.E.
文摘This article studies the extraction and the solvent and dominant characteristics of the Red Pigment in Hibisc. Also discussed is the influence of metal ion, light, heat, oxidizer and reducer on the Red Pigment in Hibisc.
