Acta Metrologica Sinica  2013, Vol. 34 Issue (2): 187-191    DOI: 10.3969/j.issn.1000-1158.2013.02.18
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Development of a New Certified Reference Material of Ginsenoside Rg1, Re and Rb1 in Panax Quinquefolium
REN Zhong-nan1,LIU Jun2,HUANG Ting2,YANG Yi1
1. College of Science, Beijing University of Chemical Technology, Beijing 100029, China;
2. National Institute of Metrology, Beijing 100013, China
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Abstract  A new certified reference material (CRM) of ginsenoside Rg1, Re, and Rb1 in Panax quinquefolium is developed and measured by two different methods, high performance liquid chromatography method and high performance capillary electrophoresis method.Simultaneously, the homogeneity and the stability are studied, and the evaluation of uncertainty is calculated.  The mass fractions of ginsenoside Rg1, Re, and Rb1 are (1.72±0.14)mg/g, (15.3±1.5)mg/g, (25.8±2.8)mg/g, with the expanded uncertainty of 8.3％, 10％, 11％.The new certified reference material of ginsenoside Rg1, Re, and Rb1  in Panax quinquefolium is capable to validate analytical measurements  in laboratories.
Key words： Metrology      Standard certified reference material      Panax quinquefolium      Ginsenoside Rg1      Ginsenoside Re      Ginsenoside Rb1     
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REN Zhong-nan
LIU Jun
HUANG Ting
YANG Yi
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REN Zhong-nan,LIU Jun,HUANG Ting, et al. Development of a New Certified Reference Material of Ginsenoside Rg1, Re and Rb1 in Panax Quinquefolium[J]. Acta Metrologica Sinica, 2013, 34(2): 187-191.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2013.02.18     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2013/V34/I2/187
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