A nitrate-selective microelectrode based on a lipophilic derivative of iodocobalt(III)salen

被引：0

作者：

P. G. Verschuren

Juul L. van der Baan

Rolf Blaauw

Dirk de Beer

Johannes C. van den Heuvel

机构：

[1] Instituut voor Technische Scheikunde,

[2] Universiteit van Amsterdam,undefined

[3] Nieuwe Achtergracht 166,undefined

[4] 1018 WV Amsterdam,undefined

[5] The Netherlands,undefined

[6] Scheikundig Laboratorium,undefined

[7] Vrije Universiteit,undefined

[8] De Boelelaan 1083,undefined

[9] 1081 HV Amsterdam,undefined

[10] The Netherlands,undefined

[11] Max-Planck-Institut für Marine Microbiology,undefined

[12] Celciusstraße 1,undefined

[13] 28359 Bremen,undefined

[14] Germany,undefined

来源：

Fresenius' Journal of Analytical Chemistry | 1999年 / 364卷

关键词：

Nitrate; Cobalt; Detection Limit; Nitrite; HCO3;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The synthesis of iodo{2,2′-[1,2-octadecanediylbis(nitrilomethylidyne)]diphenolato}cobalt is described. Liquid membrane microelectrodes based on this carrier exhibit Nernstian behaviour with a selectivity sequence according to the Hofmeister series: I– > NO3– > NO2– > Cl– > HCO3– > AcO–. The selectivity coefficient of nitrate over nitrite and chloride amounts to –1.6 and –2.7, respectively. The detection limit for nitrate in water amounts to 10–5.2 mol/L. A nitrate profile measured in a nitrifying biofilm is presented as a practical application.

引用

页码：595 / 598

页数：3

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