Paper Title:
Synthesis and Character of Fluorescence Reagent 3-P-Nitrylphenyl-5-(2'-Sulfonophenylazo) Rhodanine
  Abstract

A new type rhodanine ramification 3-(4'-methoxyphenyl)-5 (2'- arsenoxylphenylazo)- rhodanine (4MORAAP) was prepared as fluorescent reagent in this paper. A new pectrofluorimetry method was proposed to determine the trace bismuth based on the reaction between potassium periodate and 4MORAAP. The fluorescence intensity was found to be quenched by the oxidation of 4MORAAP by potassium periodate with bismuth as catalyst in the buffer medium of potassium hydrogen phthalate-sodium hydroxide (pH=5.2). Under the optimum conditions, the fluorescent intensity was correlated to be linear with the concentration of bismuth over the range of 2.0×10-7-1.8×10-6 g×L-1 and the detection limit was 2.9×10-8 g×L-1. The relative standard deviation (RSD) was 2.4 % for determined1.0×10-6 g×L-1 bismuth (n=11). The method was proved to be sensitive and selective and was successfully applied to determine trace bismuth in domestic water

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Chapter
Chapter 3: Optical and Electronic Materials
Edited by
Shiquan Liu and Min Zuo
Pages
327-330
DOI
10.4028/www.scientific.net/AMR.306-307.327
Citation
S. M. Wang, S. G. Ge, M. Yan, J. H. Yu, "Synthesis and Character of Fluorescence Reagent 3-P-Nitrylphenyl-5-(2'-Sulfonophenylazo) Rhodanine", Advanced Materials Research, Vols. 306-307, pp. 327-330, 2011
Online since
August 2011
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$32.00
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