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题名: Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography
作者: Huang, XJ;  Huang, Y;  Wang, J;  Wang, QQ;  Huang, BL
关键词: amide-type stationary phase ;  tea ;  purine
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2005-05-01
卷: 33, 期:5, 页:627-630
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A new amide-type bonded phase(AOBP) column made in our laboratory was. firstly used to, separate three purines in series of tea. The interactions between basic analytes and silanol on the packing were restrained effectively because of the existence of polar group-amide, so the three basic compounds can be separated simply and effectively under methanol and water (V/V = 20/80) as binary mobile phase. The results show the linear ranges of theobromine, theophylline and caffeine can reach to 1.67 similar to 500 mg/L, 0.3 similar to 167 mg/L, 1.67 similar to 833 mg/L, and the limits of detection at three times of noise are 0.21 mg/L, 0.042 mg/L, 0.18 mg/L, respectively. The separation mechanism of basic compounds on the AOBP was also discussed.
关键词[WOS]: BLACK ;  GREEN ;  CATECHINS
语种: 英语
WOS记录号: WOS:000229618400009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139725
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Xiamen Univ, Dept Chem, Xiamen 361005, Peoples R China
2.Xiamen Univ, Minist Educ Key Lab Analyt Sci, Xiamen 361005, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China

Recommended Citation:
Huang, XJ,Huang, Y,Wang, J,et al. Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2005,33(5):627-630.
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