Determination of Ultra-Trace Cobalt in Water Samples Using Dispersive Liquid-Liquid Microextraction Followed by Graphite Furnace Atomic Absorption Spectrometry

Determination of Ultra-Trace Cobalt in Water Samples Using Dispersive Liquid-Liquid Microextraction Followed by Graphite Furnace Atomic Absorption Spectrometry

A novel method for the determination of ultra-trace cobalt by dispersive liquid–liquid microextraction (DLLME) coupled with graphite furnace atomic absorption spectrometry has been developed. It is based on the color reaction of Co<sup>2+</sup> with 2-(5-bromo-2-pyridylazo)-5-dimethylami...

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Bibliographic Details
Main Authors: Quan Han, Yaqi Liu, Yanyan Huo, Dan Li, Xiaohui Yang
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Molecules
Subjects:
dispersive liquid–liquid microextraction
graphite furnace atomic absorptionspectrometry
cobalt
2-(5-bromopyridyazo)-5-dimethylaminoanline
1,2-dichloroethan
acetonitrile
Online Access:https://www.mdpi.com/1420-3049/27/9/2694

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