Research Article
Preconcentration of Copper Using 1,5-Diphenyl Carbazide as the Complexing Agent via Dispersive Liquid-Liquid Microextraction and Determination by Flame Atomic Absorption Spectrometry
Table 1
Comparison of DLLME with other extraction methods for determination of copper in water samples.
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SPE: solid phase extraction, FAAS: flame atomic absorption spectrometry, CPE: cloud point extraction, aLimit of detection, bRelative standard deviation, cPreconcentration factor, dEnhancement factor. |