Catalytic-fluorescence determination of copper(Ⅱ) by 7-(8-hydroxy -3, 6-disulfonaphthylazo)-8-hydroxyquinoline-5-sulfonic acid

Acta Chimica Sinica ›› 1996, Vol. 54 ›› Issue (7): 709-715. Previous Articles Next Articles

Original Articles

7-(8-羟基-3, 6-二磺基萘偶氮)-8-羟基喹啉-5-磺酸催化荧光测定痕量铜

俞英;聂瑞华;黄坚锋;苏连胜

南昌大学应用化学研究所;南昌大学机电系

发布日期:1996-07-15

Catalytic-fluorescence determination of copper(Ⅱ) by 7-(8-hydroxy -3, 6-disulfonaphthylazo)-8-hydroxyquinoline-5-sulfonic acid

YU YING;NIE RUIHUA;HUANG JIANFENG;SU LIANSHENG

Published:1996-07-15

Abstract

A new catalytic-fluorescence determination of trace copper(Ⅱ) has been established by reagent 7-(8-hydroxy-3, 6-disulfonaphthylazo)-8- hydroxyquinoline-5-sulfonic acid, and the experimental conditions have been optimized by multi-object punish function sinplex method, they are 0.05% HSNA8Q5S 1.3mL, 0.1mol/L NaOH 6.2mL, 0.1%KIO4 1.6mL, T 15min. The mechanism of the reaction has been studied. The method is applied to determine trace Copper(Ⅱ) in water sample and alloy samples with satisfactory results.

Key words: REACTION MECHANISM, COPPER, TRACE ANALYSIS, HYDROXY QUINOLINES, FLUOROSPECTROPHOTOMETRY, SULFONIC ACID P

CLC Number:

O657

Cite this article

YU YING;NIE RUIHUA;HUANG JIANFENG;SU LIANSHENG. Catalytic-fluorescence determination of copper(Ⅱ) by 7-(8-hydroxy -3, 6-disulfonaphthylazo)-8-hydroxyquinoline-5-sulfonic acid[J]. Acta Chimica Sinica, 1996, 54(7): 709-715.

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7-(8-羟基-3, 6-二磺基萘偶氮)-8-羟基喹啉-5-磺酸催化荧光测定痕量铜

Catalytic-fluorescence determination of copper(Ⅱ) by 7-(8-hydroxy -3, 6-disulfonaphthylazo)-8-hydroxyquinoline-5-sulfonic acid

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