6
Low-density solvent-based vortexassisted surfactant-enhanced-emulsification liquid–liquid
microextraction
Bottled water
Gas chromatography–tandem
mass spectrometry;
Column:DB-5MS
(30 m
 0.25 mm,0.25μm)
Recovery:73.5–106.6%;
LODs:8–25 ng/L;
RSDs:0.80–11.9%
Zhang and Lee
(2013)
4
Magnetic stirring-assisted dispersive liquid–liquid microextraction
Tap water seawater,
and river water
High-performance liquid
chromatography-ultraviolet
detection;
Column:C18 (250
 4.6 mm,
10
μm)
Recovery:80.4–104.7%;
LODs:0.13 to 0.38
μg/ml;
RSDs:1.5–3.35%
Ranjbari and
Hadjmohammadi
(2012)
7
Liquid–liquid microextraction
Tap, mineral, and
river water
Gas chromatography–mass
spectrometry;
Column:DB-5MS
(30 m
 0.25 mm, 0.25μm)
Recovery:84–115%;
LODs:0.02–0.05
μg/L;
RSDs:<7.7%
Farahani et al.
(2008)
9
Vortex solvent bar microextraction Bottled mineral
water
Gas chromatography–mass
spectrometry;
Column:DB-5MS
(30 m
 0.25 mm, 0.25μm)
LODs:0.4–76 ng/L;
RSDs:3.0–7.1%
Huang et al.
(2012)
6
Vortex-assisted micro-solid-phase
extraction combined with
low-density solvent based dispersive liquid–liquid microextraction
River water
Gas chromatography–mass
spectrometry;
Column:DB-5 MS
(30 m
 0.25 mm,0.25
μm)
Recovery:85.8–104.1%;
LODs:0.006–0.02
μg/L;
RSDs:4.7–9.6%
Guo and Lee
(2013)
15
Dispersive liquid–liquid
microextraction-solidification of
floating organic drop
Tap, bottled, and
river water
High-performance liquid
chromatography-ultraviolet
detection;
Column: C18
(250 mm
 4.6 mm, 5
μm)
Recovery:86.8–119%;
LODs:0.013–0.158
μg/;L
RSDs:3.0–13.7%
Yang et al.
(2018b)
LODs
limits of detection, RSDs
relative standard deviations
15 Analytical Methods for Phthalates in Water Samples
567