Trace Level Arsenic Quantification through Cloud Point Extraction: Application to Biological and Environmental Samples

Table 6

Comparison of the proposed method with other methods.

Method	Linear range (ng mL^−1)	Detection limit (ng mL^−1)	Preconcentration factor	References
(1) Ion-Pair extraction/spectrophotometry	50–800	—	5.0	[10]
(2) Chemiluminescent method	0–100	0.4	12.5	[11]
(3) Spectrophotometry	0–300	4.0	—	[12]
(4) Cloud point extraction/spectrophotometry	10–200	1.0	5.0	Proposed method