A novel chemiluminescent method for determination of phloroglucinol

被引：13
作者：
Cui, H [1 ]
Xie, CG [1 ]
Lai, CZ [1 ]
机构：
[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China
来源：
LUMINESCENCE | 2003年 / 18卷 / 06期
关键词：
phloroglucinol; chemiluminescence; enhancement; inhibition; determination; PERFORMANCE LIQUID-CHROMATOGRAPHY; FLOW-INJECTION; ACID; SEPARATION; RESORCINOL; CATECHOL; PHENOLS;
D O I：
10.1002/bio.740
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
It was found that the inhibition and enhancement by phloroglucinol of the chemiluminescence from the luminol-K3Fe(CN)(6) system were dependent on the pH of luminol solution and the concentration of phloroglucinol. In Na2CO3-NaHCO3 buffer, phloroglucinol exhibited strong chemiluminescent enhancement at pH 9.4. On this basis, a flow injection method was developed for the determination of phloroglucinol. The method was simple, rapid, convenient and sensitive, with a detection limit of 2.0 x 10(-9) mol /L. It is effective for determining phloroglucinol in the range of 1.0 x 10(-5)-5.0 x 10(-9) mol/L. The relative standard deviation is 1.3% within one day and 3.2% between days for the determination of 5.0 x 10(-7) mol/L phloroglucinol. The method has been successfully used to determine phloroglucinol in environmental water, with satisfactory results. Copyright (C) 2003 John Wiley Sons, Ltd.
引用
收藏
页码：318 / 323
页数：6
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