Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples

Table 5

Selectivity of mercury at pH 4 in binary mixtures.

	V	Cu	Ni	Co	Fe	Hg
𝐾𝑑	27.011	159.800	12.829	35.836	5.260	52.376
𝛼: 𝐾𝑑Hg/𝐾𝑑M^+	1.939	0.3278	4.0825	1.462	9.957	—