高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (3): 339.

• 研究简报 • 上一篇    下一篇

铕-四环素-TOPO-十二烷基磺酸钠荧光体系及四环素测定的研究

杨景和, 邹华彬, 揭念琴, 葛红梅   

  1. 山东大学化学系, 济南 250100
  • 收稿日期:1992-03-20 修回日期:1992-08-01 出版日期:1993-03-24 发布日期:1993-03-24
  • 通讯作者: 杨景和
  • 基金资助:

    国家自然科学基金

A Study of the Fluorescence System of Tetracycline-Eu-TOPO-Sodium Dodecyl Sulfonate System and the Determination for Tetracycline

YANG Jing-He, ZOU Hua-Bin, JIE Nian-Qin, GE Hong-Mei   

  1. Department of Chemistry, Shandong University, Jinan, 250100
  • Received:1992-03-20 Revised:1992-08-01 Online:1993-03-24 Published:1993-03-24

关键词: 铕, 四环素测定, 分光荧光光度法

Abstract: The Eu-tetracycline-TOPO-sodium dodecyl sulfonate system was studied.Experiments showed that the maximum fluorescence intensity was obtained in the pHrange 7.5-8.7 and when the concentration of Eu3+, TOPOand sodium dodecyl sulfonate were 1.0× 10-5 mol/L, 1.0 × 10-3 mol/Land 1.0× 10-3 mol/L, respectively.This fluorescence system can be used for the determination of tetracycline in serum and urine.The linear dynamic range is 2.0× 10-8 mol/L-1.0×10-5 mol/Lfor tetracycline.The detection limit is 1.2× 10-8 mol/L.The composition of the tetracycline (TC)-Eu-TOPO-sodium dodecyl sulfonate (SDS) complex was examined by using slope-ratio, mole-ratio and continuous change methods.The experiments showed that the ion association complex [Eu(TC) (TOPO)m]+ (SDS)- was formed in the system.The luminescence of complex belonged to M*→Mluminescence mechanism.The fluorescence enhancement is due to the formation of the ion association complex and the micelles.

Key words: Europium, Tetracycline determination, Spectrofluorimetry

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