m-dSPE using 36 mg layered carbon-Fe3O4 under agitation for 10 min, a magnet was used for decantation, and elution (in triplicate) with 0.5 mL acetone by vortex for 10 s
HPLC-UV
0.27–0.33 μg/L
88.0–104.7% at 5 and 10 μg/L
One sample of each water were analyzed and residues of DAP and DIBP were found at 0.52 and 0.86 μg/L, respectively, in the river water sample
Acetone showed higher extraction efficiency than MeOH and ACN as elution solvent
m-dSPE using 0.1 mL suspension of MWCNTs-m-NPs in water (40 mg/ml) under vortex for 3 min, a magnet was used for decantation, and elution with 1 mL acetone
GC-MS
0.016–0.13 μg/L
79.6–125.6% at 5 μg/L
Two mineral and 1 tap water samples were analyzed and contained at least 3 PAEs at levels from 0.36 to 3.3 μg/L
Acetone showed higher extraction efficiency than MeOH, ethyl acetate and hexane as elution solvent. Juice and carbonated drinks, and one perfume sample were also analyzed
[77]
DMP, DEP, DIBP, DBP, DEHP, BBP, and DNOP
River and pond waters (10 mL)
m-dSPE using 20 mg G-Fe3O4 under vortex for 15 min, a magnet was used for decantation, and elution with 0.4 mL ethyl acetate and 0.5 g anhydrous sodium sulfate by sonication for 15 min
GC-MS
0.035–0.19 μg/L
88–110% at 10,000 μg/L
One sample of each water were analyzed and residues of all PAEs except DMP were found at levels from 22.2 to 150.8 μg/L
Ethyl acetate showed higher extraction efficiency than acetone and chloroform as elution solvent
[79]
DMP, DEP, DBP, BBP, and DNOP
River, tap and mineral waters (20 mL)
m-dSPE using 20 mg Fe3O4-ZIF-8 MOF under sonication for 8 min, a magnet was used for decantation, and elution with 1 mL MeOH by sonication for 8 min
HPLC-DAD
0.3–0.8 μg/L
85.6–103.6% at 1, 10, and 100 μg/L
One sample of each water were analyzed and at least 2 PAEs at levels from 5 to 60 μg/L were detected in the river and tap water samples
Methanol showed higher extraction efficiency than ACN, chloroform and tetrahydrofuran as elution solvent
m-dSPE using 20 mg Fe3O4-polypyrrole under agitation for 40 min, a magnet was used for decantation, and elution with 2 mL ethyl acetate by sonication for 60 min
GC-MS
0.018–0.068 μg/L
80.4–108.2% at 5 and 100 μg/L
One sample of each water were analyzed and at least 5 PAEs at levels from 0.10 to 6.90 μg/L were detected
An orthogonal fraction factorial design was used for optimization purposes. Ethyl acetate showed higher extraction efficiency than acetone and isopropanol as elution solvent
Mineral, tap, pond and waste waters (25 mL adjusted at pH 6)
m-dSPE using 60 mg Fe3O4-PDA under agitation for 1 min, a magnet was used for decantation, and elution with 6 mL dichloromethane by agitation for 30 s
GC-MS/MS
0.009–0.02 μg/L
71–120% at 0.5 and 5 μg/L
One sample of each water were analyzed and residues of DEP and DBP were found at levels from 0.36 ± 0.46 to 4.20 ± 0.52 μg/L in the mineral, tap and waste waters
Dichloromethane showed higher extraction efficiency than acetone, MeOH and ACN as elution solvent
[22]
DMP, DEP, BBP, and DBP
Carbonated, mineral and soda waters (25 mL)
m-dSPE using 30 mg poly(1-vinyl-3-butylimidazolium bromide)-PS m-NPs under vortex for 2.5 min, a magnet was used for decantation, and elution with 7 mL ACN by sonication
HPLC-DAD
0.017-0.047 μg/L
77.8-102.1% at 2 and 20 μg/L
One sample of each water were analyzed and residues of DEP were found at 25.8 and 15.5 μg/L in the carbonate and soda waters, respectively
ACN showed higher extraction efficiency than acetone, petroleum ether and MeOH as elution solvent
[82]
DMP, DEP, DAP, DIBP, and DBP
Tap and well waters (5 mL plus 15% w/v NaCl)
m-dSPE using 15 mg Fe3O4-MIL-101(Cr) MOF under agitation for 20 min, a magnet was used for decantation, and elution with 1 mL hexane/acetone (1:1 v/v) by vortex for 3 min
GC-MS
0.3–0.5 μg/L
90.1–106.7% at 5 and 50 μg/L
One sample of each water were analyzed and no residues were detected
The use of Fe3O4-MIL-101(Cr) MOF showed higher enrichment capacity than Fe3O4 and MIL-101(Cr) MOF separately. Hexane/acetone (1:1 v/v) showed higher extraction efficiency than ethyl acetate, hexane, acetone and hexane/ethyl acetate (1:1 v/v) as elution solvent. Human plasma was also analyzed
[86]
DMP, DEP, DBP, BBP, DEHP, and DNOP
Tap, drinking and mineral waters (10 mL)
m-dSPE using 15 mg Fe3O4-MIL-100 MOF and 15-mg Fe3O4-SiO2-polythiophene under sonication for 1 min and oscillation for 15 min, a magnet was used for decantation, and elution with 1 mL ACN by agitation for 10 min
GC-MS
1.1–2.9 μg/L
76.9–109.1% at 1, 10 and 50 μg/L
One sample of each water were analyzed and no residues were quantified
A combination of 15-mg Fe3O4-MIL-100 MOF and 15-mg Fe3O4-SiO2-polythiophene gave better extraction efficiency than using 30-mg each separately. ACN showed higher extraction efficiency than acetone, ethyl acetate and hexane as elution solvent
[88]
DMP, DBP, BBP, DCHP, and DEHP
Tap and lake waters (100 mL adjusted at pH 6)
m-dSPE using 30 mg poly(1-vinylimidazole)-carboxy-latocalix[4] arene m-NPs under sonication for 15 min, a magnet was used for decantation, and elution with 0.5 mL MeOH by sonication for 5 min
HPLC-UV
0.05–0.11 μg/L
89.9–110.0% at 0.5, 1, and 5 μg/L
One sample of each water were analyzed and contained at least 1 PAE at levels from 0.4 to 8.9 μg/L