Spectroscopic Determination of Fluoride Using Eriochrome Black T (EBT) as a Spectrophotometric Reagent from Groundwater

Table 4

Comparison method validation parameters with previously reported methods.

Ligands used in spectroscopic analysis of fluoride	Linear range (mg/L)	LOD (mg/L)	LOQ (mg/L)	Reference
Al to quinalizarin	0.5–2.0	0.1	0.3	[67]
Al to resorcin blue	0.2–1.0	0.2	0.5	[72]
Al to flavonoid chrysin	0.5–3.0	0.1	0.3	[68]
Al to malachite green	0.5–4.0	0.1	0.3	[71]
Al to chromeazurol B	0.5–4.0	0.2	0.5	[71]
Zr to resorcin blue	0.1–4.0	0.07	0.2	[87]
Al to EBT	0.3–5.0	0.19	0.64	This work