Ion-association dispersive liquid–liquid microextraction of ultra-trace amount of gold in water samples using Aliquat 336 prior to inductively coupled plasma atomic emission spectrometry determination

Journal of Analytical Science and Technology

Table 4 Comparison of different method for determination of gold in aqueous samples

Method	EF	LOD (μg L⁻¹)	RSD (%)	Linear range (μg L⁻¹)	Ref
DLLME-GFAAS	388	0.005	4.2	0.03–0.5	Shamsipour and Ramezani 2008
SPE-FAAS	–	0.8	1.7	50–34000	Sabermahani et al. 2012
CPE-ICP-OES	8.6	0.5	<5	0.5–1000	Tavakoli et al. 2008
SPE-ICP-OES	150	0.32	3.3	–	Zhang et al. 2011
UAE-DLLME-ETAAS	220	0.008	4.2	0.075–0.75	Mohammadi et al. 2010
USAE-SFODMS-FAAS	34.8	0.45	1.68	1.5–400	Tajic and Taher 2011
DLLME-ICP-OES	149	0.09	6	0.3–100	This work

DLLME Dispersive liquid–liquid microextraction, SPE Solid-phase extraction, UAE Ultrasound-assisted emulsification, USAE-SFODMS ultrasound-assisted emulsification of solidified floating organic drops, CPE Cloud point extraction