2,7-Dichlorofluorescein Hydrazide as a New Fluorescent Probe for Mercury Quantification: Application to Industrial Effluents and Polluted Water Samples

Table 1

Interference study.

Interferent	Concentration in
	(ngmL^−1)
F^−, I^−, Cl^−, CH3COO^−, CO3^2−	3000
SO4^2−, S^2−, PO4^3−, HCO3^−	2500
NO3^−, NO2^−	2000
Fe^2+, Fe^3+, Ni^2+, Zn^2+, K^+, Li^+, Ca^2+, Na^+, Hg^+, Pb^2+	2000
Cd^2+, Mg^2+, Co^2+, Ni^2+, Al^3+, Cr^6+, Mn^2+
Cu^2+	500