Table 3 Comparison of different methods for extraction of RB and MG dyes with developed methods.

Technique	Detection	Analyte	LDR^a	LOD^b	LOQ^c	PF^d	Ref.
MSA-DLLME^e	HPLC–UV/Vis	RB	5–1000 (ng mL⁻¹)	1.15 (ng mL⁻¹)	3.82 (ng mL⁻¹)	48	³⁸
CPE^f	Spectrophtometric	MG	4–500 (ng mL⁻¹)	1.20 (ng mL⁻¹)			³⁹
DES-DLLME^g	HPLC–UV/Vis	MG	0.2–500 (µg L⁻¹)	0.03 (µg L⁻¹)	0.09 (µg L⁻¹)	95	⁴⁰
MSPE^h	HPLC–UV/Vis	RB	0.50–150 (µg L⁻¹)	0.08 (µg L⁻¹)		25	⁴¹
DLLMEⁱ	Spectrophtometric	RB	0.1–3 (µg L⁻¹)	2.1 (µg L⁻¹)		330	⁴²
EME^j	Ion mobility spectrometry	MG	5–250 (ng mL⁻¹)	1.50 (ng mL⁻¹)		150	⁴³
MSPE^k	Spectrofluorimetry	RB	0.35–5 (µg L⁻¹)	0.1 (µg L⁻¹)	0.35 (µg L⁻¹)		⁴⁴
UA-DLLME^l	Spectrophtometric	MG	12–1000 (ng mL⁻¹)	2.73 (ng mL⁻¹)	9.10 (ng mL⁻¹)	83.33	This work
UA-DLLME^l	Spectrophtometric	RB	7.5–1500 (ng mL⁻¹)	1.45 (ng mL⁻¹)	4.83 (ng mL⁻¹)	83.33	This work

^aLinear dynamic range, ^bLimit of detection, ^cLimit of quantification, ^dPreconcentration Factor, ^eMagnetic stirring assisted dispersive liquid–liquid microextraction, ^fCloud point extraction, ^gDeep eutectic solvent-dispersive liquid–liquid micro-extraction, ^hMagnetic solid phase extraction, ⁱDispersive liquid–liquid microextraction, ^jElectromembrane extraction, ^kMicro solid phase extraction, ^lUltrasound-assisted-dispersive liquid–liquid microextraction.

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