高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (6): 883.

• 研究简报 • 上一篇    下一篇

水杨醛-5-溴-水杨酰腙的合成及其与钪荧光反应的研究

唐波, 张胜义, 江崇球, 张晓钢, 李艳   

  1. 山东师范大学化学系, 济南, 250014
  • 收稿日期:1996-07-08 出版日期:1997-06-24 发布日期:1997-06-24
  • 通讯作者: 唐波, 男, 32岁, 博士, 教授.
  • 作者简介:唐波, 男, 32岁, 博士, 教授.
  • 基金资助:

    山东省青年自然科学基金

Synthesis of Salicylaldehyde-5-bromo-salicylo and Its Fluorescence Reaction with Scandium

TANG Bo, ZHANG Sheng-Yi, JIANG Chong-Qiu, ZHANG Xiao-Gang, LI Yan   

  1. Department of Chemistry, Shandong Normal University, Jinan, 250014
  • Received:1996-07-08 Online:1997-06-24 Published:1997-06-24

关键词: 水杨醛-5-溴-水杨酰腙, 钪, 荧光分析

Abstract: Anew fluorescent reagent, salicylaldehyde-5-bromo-salicyloyhydrazone (SABSH ), was synthesized and its ionization constants were established spectropho-tometrically. The fluorescent reaction of this reagent with scandium was studied in detail.Based on this chelation reaction, a spectrofluorimetric method was developed for the determi-nation of scandium in a water-ethanol(1:1, V/V) medium at pH 4.8. Under these condi-tions, the Sc-SABSHcomplex has excitation and emission maxima at 392 and 466 nm, re-spectively. The linear range of the method is from 0.0 to 1.0μg/10 mL, the relative stan-dard deviation of the method is 0.95% and the detection limit is o. 15 ng/mLof scandium when a standard additions method is used in the assay. The molar ratlo of scandium to reagent is 1: 1. Interferences of forty other ions were studied. The method has been suc-cessfully applied to the determination of trace scandium in geologic samples-

Key words: Salicylaldehyde-5-bromo-salicylo, Scandium, Fluorimetry

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