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	Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography
	Huang, X. J. ; Huang, Y. ; Wang, J. ; Wang, Q. Q. ; Huang, B. L. ; Huang XJ(黄晓佳)
	2005-05
关键词	BLACK GREEN CATECHINS
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.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/60996]
专题	海洋环境－已发表论文
推荐引用方式 GB/T 7714	Huang, X. J.,Huang, Y.,Wang, J.,et al. Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography[J],2005.
APA	Huang, X. J.,Huang, Y.,Wang, J.,Wang, Q. Q.,Huang, B. L.,&黄晓佳.(2005).Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography..
MLA	Huang, X. J.,et al."Detection of three Purines in tea using amide-type stationary phase for high performance liquid chromatography".(2005).

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