Aqueous Two-Phase Systems: A New Approach for the Determination of Brilliant Blue FCF in Water and Food Samples

Table 3

Comparison of different methods for the determination of brilliant blue FCF by aqueous two phase system.

Method	LOD	LR	RSD %	Recovery %	𝑅^2	Reference
Cloud point extraction	0.016 μg/L	0.05–3.50 μg/mL	3.3	>96	0.9996	[3]
Microemulsion	0.35 mg/mL	1–3 mg/mL	<10	>95.4	0.9993	[6]
Light emitting diode	—	1–25 μg/mL	2.8	>97.0	0.9954	[4]
HPLC	2.72 μg/L	0.008–19 mg/mL	—	—	0.9999	[1]
ATPS	0.12 ng/mL	0.25–750 ng/mL	<5.9	>96.0	0.9995	This work