Ultrasound-assisted emulsification microextraction of various preservatives from cosmetics, beverages, and water samples

Journal of Liquid Chromatography and Related Technologies

Volumn 35, Issue 18, 2012, Pages 2623-2642

  Yamini, Yadollah ^a   Saleh, Abolfazl ^a,b   Rezaee, Mohammad ^c   Ranjbar, Leila ^a   Moradi, Morteza ^a  

^a TARBIAT MODARES UNIVERSITY   (Iran)

^b Iranian National Institute for Oceanography   (Iran)

^c NUCLEAR SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE   (Iran)

Author keywords

beverages; comestics; p hydroxybenzoic acid; parabens; sodium benzoate; ultrasound assisted emulsification microextraction

Indexed keywords

COMESTICS; HYDROXYBENZOIC ACIDS; PARABENS; SODIUM BENZOATE; ULTRASOUND-ASSISTED EMULSIFICATION MICROEXTRACTION;

BEVERAGES; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; ORGANIC SOLVENTS; SODIUM; ULTRASONICS;

EMULSIFICATION;

4 HYDROXYBENZOIC ACID; BENZOIC ACID; COSMETIC; ETHYL PARABEN; METHYL PARABEN; OCTANOL; ORGANIC SOLVENT; PROPYL PARABEN;

ARTICLE; BEVERAGE; EMULSION; EXTRACTION; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; LIMIT OF DETECTION; REPRODUCIBILITY; SEPARATION TECHNIQUE; ULTRASOUND ASSISTED EMULSIFICATION MICROEXTRACTION; ULTRAVIOLET RADIATION; WATER SAMPLING;

EID: 84869180499     PISSN: 10826076     EISSN: 1520572X     Source Type: Journal    
DOI: 10.1080/10826076.2011.637272     Document Type: Article

References (92)

1. Cantwell, F.F. Pre-Column Reactions to Eliminate Interferents in the Liquid Chromatographic Analysis of p-hydroxybenzoates in Complex Pharmaceuticals. Anal. Chem. 1976, 48, 1854-1859
2. Altiokka, G.; Ergun, B.; Can, N.O.; Aboul-Enein, H.Y. Validated Reversed Phase HPLC for the Analysis of the Food Additive, Sodium Benzoate in Soft Drinks and Jams. J. Liq. Chromatogr. Rel. Technol. 2007, 30, 1125-1136
3. SCCS (Scientific Committee on Consumer Safety), Opinion on Benzoic Acid and Sodium Benzoate, 2005 (SCCP=0891=05).
4. Elder, R.L. Final Report on the Safety Assessment of Methylparaben, Ethylparaben, Propylparaben and Butylparaben. J. Am. Coll. Toxicol. 1984, 3, 147-209
5. Darbre, P.D.; Al Jarrah, A.; Miller, W.R.; Coldham, N.G.; Sauer, M.J.; Pope, G.S. Concentrations of Parabens in Human Breast Tumors. J. Appl. Toxicol. 2004, 24, 5-13
6. Zhang, Q.; Lian, M.; Liu, L.; Cui, H. High-Performance Liquid Chromatographic Assay of Parabens in Wash-Off Cosmetic Products and Foods Using Chemiluminescence Detection. Anal. Chim. Acta 2005, 537, 31-39
7. He, S.; Zhao, Y.; Zhu, Z.; Liu, H.; Li, M.; Shao, Y.; Zhuang, Q. Comparative Study for the Analysis of Parabens by Micellar Electrokinetic Capillary Chromatography With and Without Large-Volume Sample Stacking Technique. Talanta 2006, 69, 166-171
8. De Rossi, A.; Desiderio, C. Fast Capillary Electrochromatographic Analysis of Parabens and 4-Hydroxybenzoic Acid in Drugs and Cosmetics. Electrophoresis 2002, 23, 3410-3417
9. Mahuzier, P.E.; Altria, K.D.; Clark, B.J. Selective and Quantitative Analysis of 4-Hydroxybenzoate Preservatives by Microemulsion Electrokinetic Chromatography. J. Chromatogr. A 2001, 924, 465-470
10. Soni, M.G.; Carabin, I.G.; Burdock, G.A. Safety Assessment of Esters of p-Hydroxybenzoic Acid (Parabens). Food Chem. Toxicol. 2005, 43, 985-1015
11. SCCS (Scientific Committee on Consumer Safety), Opinion on parabens, 2011 (SCCS=1348=10).
12. Harwey, P.W.; Darbre, P.D. Endocrine Disrupters and Human Health: Could Oestrogenic Chemicals in Body Care Cosmetics Adversely Affect Breast Cancer Incidence in Women? J. Appl. Toxicol. 2004, 24, 167-176
13. Peek, A.M. Analytical Methods for the Determination of Persistent Ingredients of Personal Care Products in Environmental Matrices. Anal. Bioanal. Chem. 2006, 386, 907-939
14. Darbre, P.D.; Harvey, P.W. Paraben Esters: Review of Recent Studies of Endocrine Toxicity, Absorption, Esterase and Human Exposure, and Discussion of Potential Human Health Risks. J. Appl. Toxicol. 2008, 28, 561-578
15. Lee, H.B.; Peart, T.E.; Lewina Svoboda, M. Determination of Endocrine-Disrupting Phenols, Acidic Pharmaceuticals, and Personal-Care Products in Sewage by Solid-Phase Extraction and Gas Chromatography-Mass Spectrometry. J. Chromatogr. A 2005, 1094, 122-129
16. Benijts, T.; Lambert, W.; De Leenheer, A. Analysis of Multiple Endocrine Disruptors in Environmental Waters via Wide-Spectrum Solid-Phase Extraction and Dual-Polarity Ionization LC-Ion Trap-MS= MS. Anal. Chem. 2004, 76, 704-711
17. Memon, N.; Bhanger, M.I.; Khuhawer, M.Y. Determination of Preservatives in Cosmetics and Food Samples by Micellar Liquid Chromatography. J. Sep. Sci. 2005, 28, 635-638
18. Ye, X.; Kuklenyik, Z.; Bishop, A.M.; Needham, L.L.; Calafat, A.M. Quantification Of The Urinary Concentrations Of Parabens In Humans By On-Line Solid Phase Extraction-High Performance Liquid Chromatography-Isotope Dilution Tandem Mass Spectrometry. J. Chromatogr. B 2006, 844, 53-59
19. Canosa, P.; Rodri'guez, I.; Rubí, E.; Bollai'n, M.H.; Cela, R. Optimization of a Solid-Phase Microextraction Method for the Determination of Parabens in Water Samples at the Low ng per Litre Level. J. Chromatogr. A 2006, 1124, 3-10
20. Shen, H.Y.; Jiang, H.L.; Mao, H.L.; Pan, G.; Zhou, L.; Cao, Y.F. Simultaneous Determination of Seven Phthalates and Four Parabens in Cosmetic Products Using HPLC-DAD and GC-MS Methods. J. Sep. Sci. 2007, 30, 48-54
21. Tsai, T.F.; Lee, M.R. Determination of Antioxidants and Preservatives in Cosmetics by SPME Combined with GC-MS. Chromatographia 2008, 67, 425-431
22. Belgaied, J.E.; Trabelsi, H. Determination of Cisapride, Its Oxidation Product, Propyl and Butyl Parabens in Pharmaceutical Dosage Form by Reversed-Phase Liquid Chromatography. J. Pharm. Biomed. Anal. 2003, 33, 991-998
23. Kulikov, A.U.; Verushkin, A.G. Simultaneous Determination of Paracetamol, Caffeine, Guaifenesin and Preservatives in Syrups by Micellar LC. Chromatographia 2008, 67, 347-355
24. Lee, M.R.; Lin, C.Y.; Li, Z.G.; Tsai, T.F. Simultaneous Analysis of Antioxidants and Preservatives in Cosmetics by Supercritical Fluid Extraction Combined with Liquid Chromatography-Mass Spectrometry. J. Chromatogr. A 2006, 1120, 244-251
25. Labat, L.; Kummer, E.; Dallet, P.; Dubost, J.P. Comparison of High-Performance Liquid Chromatography and Capillary Zone Electrophoresis for the Determination of Parabens in Cosmetic Products. J. Pharm. Biomed. Anal. 2000, 23, 763-769
26. Wang, L.; Zhang, X.; Wang, Y.; Wang, W. Simultaneous Determination of Preservatives in Soft Drinks, Yogurts and Sauces by a Novel Solid-Phase Extraction Element and Thermal Desorption-Gas Chromatography. Anal. Chim. Acta 2006, 577, 62-67
27. Han, F.; He, Y.Z.; Yu, C.Z. On-line Pretreatment and Determination of Parabens in Cosmetic Products by Combination of Flow Injection Analysis, Solid-Phase Extraction and Micellar Electrokinetic Chromatography. Talanta 2008, 74, 1371-1377
28. Huang, H.Y.; Lai, Y.C.; Chiu, C.W.; Yeh, J.M. Comparing Micellar Electrokinetic Chromatography and Microemulsion Electrokinetic Chromatography for the Analysis of Preservatives in Pharmaceutical and Cosmetic Products. J. Chromatogr. A 2003, 993, 153-164
29. Saraji, M.; Mirmahdieh, S. Single-Drop Microextraction Followed by In-Syringe Derivatization and GC-MS Detection for the Determination of Parabens in Water and Cosmetic Products. J. Sep. Sci. 2009, 32, 988-995
30. Prichodko, A.; Jonusaite, K.; Vickackaite, V. Hollow Fibre Liquid Phase Microextraction of Parabens. Cent. Eur. J. Chem. 2009, 7, 285-290
31. Msagati, T.A. M.; Barri, T.; Larsson, N.; Jönsson, J. A° . Analysis And Quantification Of Parabens In Cosmetic Products By Utilizing Hollow Fibre-Supported Liquid Membrane And High Performance Liquid Chromatography With Ultraviolet Detection. Int. J. Cosm. Sci. 2008, 30, 297-307
32. Farajzadeh, M.A.; Djozan, Dj.; Fazeli Bakhtiyari, R. Use of a Capillary Tube for Collecting an Extraction Solvent Lighter Than Water After Dispersive Liquid-Liquid Microextraction and Its Application in the Determination of Parabens in Different Samples by Gas Chromatography-Flame Ionization Detection. Talanta 2010, 81, 1360-1367
33. Regueiro, J.; Llompart, M.; Garcia-Jares, C.; Garcia-Monteagudo, J.C.; Cela, R. Ultrasound-Assisted Emulsification-Microextraction of Emergent Contaminants and Pesticides in Environmental Waters. J. Chromatogr. A 2008, 1190, 27-38
34. Ozcan, S.; Tor, A.; Aydin, M.E. Application of Ultrasound-Assisted Emulsification-Micro-Extraction for the Analysis of Organochlorine Pesticides in Waters. Water Res. 2009, 43, 4269-4277
35. Ozcan, S.; Tor, A.; Aydin, M.E. Determination of Selected Polychlorinated Biphenyls in Water Samples by Ultrasound-Assisted Emulsification- Microextraction and Gas Chromatography-Mass- Selective Detection. Anal. Chim. Acta 2009, 647, 182-188
36. Fontana, A.R.; Wuilloud, R.G.; Martinez, L.D.; Altamirano, J.C. Simple Approach Based on ultrasound-Assisted Emulsification-Microextraction for Determination of Polibrominated Flame Retardants in Water Samples by Gas Chromatography-Mass Spectrometry. J. Chromatogr. A 2009, 1216, 147-153
37. Zhou, Q.; Zhang, X.; Xiao, J. Ultrasound-Assisted Ionic Liquid Dispersive Liquid-Phase Micro- Extraction: A Novel Approach for the Sensitive Determination of Aromatic Amines in Water Samples. J. Chromatogr. A 2009, 1216, 4361-4365
38. Regueiro, J.; Llompart, M.; Psillakis, E.; Garcia-Monteagudo, J.C.; Garcia-Jares, C. Ultrasound- Assisted Emulsification-Microextraction Of Phenolic Preservatives In Water. Talanta 2009, 79, 1387-1397
39. Saleh, A.; Yamini, Y.; Faraji, M.; Rezaee, M.; Ghambarian, M. Ultrasound-Assisted Emulsification Microextraction Method Based on Applying Low Density Organic Solvents Followed by Gas Chromatography Analysis for the Determination of Polycyclic Aromatic Hydrocarbons in Water Samples. J. Chromatogr. A 2009, 1216, 6673-6679
40. Blanco, E.; Casais, M.C.; Mejuto, M.C.; Cela, R. Combination of Off-Line Solid-Phase Extraction and On-Column Sample Stacking for Sensitive Determination of Parabens and p-Hydroxybenzoic Acid in Waters by Non-Aqueous Capillary Electrophoresis. Anal. Chim. Acta 2009, 647, 104-111
41. Mason, T.J.; Lorimer, J.P. Applied Sonochemistry: Uses of Power Ultrasound in Chemistry and Processing, Wiley VCH Verlag GmbH: Weinheim, 2002
42. Wu, J.; Lee, H.K. Ion-Pair Dynamic Liquid-Phase Microextraction Combined with Injection-Port Derivatization for the Determination of Long-Chain Fatty Acids in Water Samples. J. Chromatogr. A 2006, 1133, 13-20
43. Han, F.; He, Y-Z.; Li, L.; Fu, G-N.; Xie, H-Y.; Gan, W-E. Determination of Benzoic Acid and Sorbic Acid in Food Products Using Electrokinetic Flow Analysis-Ion Pair Solid Phase Extraction-Capillary Zone Electrophoresis. Anal. Chim. Acta 2008, 618, 79-85
44. Lan, K.; Jiang, X.; Li, Y.; Wang, L.; Zhou, J.; Jiang, Q.; Ye, L. Quantitative Determination of Rosuvastatin in Human Plasma by Ion Pair Liquid-Liquid Extraction Using Liquid Chromatography with Electrospray Ionization Tandem Mass Spectrometry. J. Pharm. Biomed. Anal. 2007, 44, 540-546
45. Ma'rquez-Sillero, I.; Aguilera-Herrador, E.; Ca'rdenas, S.; Valca'rcel. M. Determination of Parabens in Cosmetic Products Using Multi-Walled Carbon Nanotubes as Solid Phase Extraction Sorbent and corona-Charged Aerosol Detection System. J. Chromatogr. A 2010, 1217, 1-6.
46. Villaverde-de-Sa'a, E.; Gonza'lez-Marino, I.; Quintana, J.B.; Rodil, R.; Rodri'guez, I.; Cela, R. In-Sample Acetylation-Non-Porous Membrane-Assisted Liquid-Liquid Extraction for the Determination of Parabens and Triclosan in Water Samples. Anal. Bioanal. Chem. 2010, 397, 2559-2568
47. Cantwell, F. F. Pre-Column Reactions to Eliminate Interferents in the Liquid Chromatographic Analysis of p-hydroxybenzoates in Complex Pharmaceuticals. Anal. Chem. 1976, 48, 1854-1859.
48. Altiokka, G.;, Ergun, B.;, Can, N. O.;, Aboul-Enein, H. Y. Validated Reversed Phase HPLC for the Analysis of the Food Additive, Sodium Benzoate in Soft Drinks and Jams. J. Liq. Chromatogr. Rel. Technol. 2007, 30, 1125-1136.
49. SCCS (Scientific Committee on Consumer Safety), Opinion on Benzoic Acid and Sodium Benzoate, 2005 (SCCP/0891/05).
50. Elder, R. L. Final Report on the Safety Assessment of Methylparaben, Ethylparaben, Propylparaben and Butylparaben. J. Am. Coll. Toxicol. 1984, 3, 147-209.
51. Darbre, P. D.;, Al Jarrah, A.;, Miller, W. R.;, Coldham, N. G.;, Sauer, M. J.;, Pope, G. S. Concentrations of Parabens in Human Breast Tumors. J. Appl. Toxicol. 2004, 24, 5-13.
52. Zhang, Q.;, Lian, M.;, Liu, L.;, Cui, H. High-Performance Liquid Chromatographic Assay of Parabens in Wash-Off Cosmetic Products and Foods Using Chemiluminescence Detection. Anal. Chim. Acta 2005, 537, 31-39.
53. He, S.;, Zhao, Y.;, Zhu, Z.;, Liu, H.;, Li, M.;, Shao, Y.;, Zhuang, Q. Comparative Study for the Analysis of Parabens by Micellar Electrokinetic Capillary Chromatography With and Without Large-Volume Sample Stacking Technique. Talanta 2006, 69, 166-171.
54. De Rossi, A.;, Desiderio, C. Fast Capillary Electrochromatographic Analysis of Parabens and 4-Hydroxybenzoic Acid in Drugs and Cosmetics. Electrophoresis 2002, 23, 3410-3417.
55. Mahuzier, P. E.;, Altria, K. D.;, Clark, B. J. Selective and Quantitative Analysis of 4-Hydroxybenzoate Preservatives by Microemulsion Electrokinetic Chromatography. J. Chromatogr. A 2001, 924, 465-470.
56. Soni, M. G.;, Carabin, I. G.;, Burdock, G. A. Safety Assessment of Esters of p-Hydroxybenzoic Acid (Parabens). Food Chem. Toxicol. 2005, 43, 985-1015.
57. SCCS (Scientific Committee on Consumer Safety), Opinion on parabens, 2011 (SCCS/1348/10).
58. Harwey, P. W.;, Darbre, P. D. Endocrine Disrupters and Human Health: Could Oestrogenic Chemicals in Body Care Cosmetics Adversely Affect Breast Cancer Incidence in Women? J. Appl. Toxicol. 2004, 24, 167-176.
59. Peek, A. M. Analytical Methods for the Determination of Persistent Ingredients of Personal Care Products in Environmental Matrices. Anal. Bioanal. Chem. 2006, 386, 907-939.
60. Darbre, P. D.;, Harvey, P. W. Paraben Esters: Review of Recent Studies of Endocrine Toxicity, Absorption, Esterase and Human Exposure, and Discussion of Potential Human Health Risks. J. Appl. Toxicol. 2008, 28, 561-578.
61. Lee, H. B.;, Peart, T. E.;, Lewina Svoboda, M. Determination of Endocrine-Disrupting Phenols, Acidic Pharmaceuticals, and Personal-Care Products in Sewage by Solid-Phase Extraction and Gas Chromatography-Mass Spectrometry. J. Chromatogr. A 2005, 1094, 122-129.
62. Benijts, T.;, Lambert, W.;, De Leenheer, A. Analysis of Multiple Endocrine Disruptors in Environmental Waters via Wide-Spectrum Solid-Phase Extraction and Dual-Polarity Ionization LC-Ion Trap-MS/MS. Anal. Chem. 2004, 76, 704-711.
63. Memon, N.;, Bhanger, M. I.;, Khuhawer, M. Y. Determination of Preservatives in Cosmetics and Food Samples by Micellar Liquid Chromatography. J. Sep. Sci. 2005, 28, 635-638.
64. Ye, X.;, Kuklenyik, Z.;, Bishop, A. M.;, Needham, L. L.;, Calafat, A. M. Quantification Of The Urinary Concentrations Of Parabens In Humans By On-Line Solid Phase Extraction-High Performance Liquid Chromatography-Isotope Dilution Tandem Mass Spectrometry. J. Chromatogr. B 2006, 844, 53-59.
65. Canosa, P.;, Rodrguez, I.;, Rub, E.;, Bollan, M. H.;, Cela, R. Optimization of a Solid-Phase Microextraction Method for the Determination of Parabens in Water Samples at the Low ng per Litre Level. J. Chromatogr. A 2006, 1124, 3-10.
66. Shen, H. Y.;, Jiang, H. L.;, Mao, H. L.;, Pan, G.;, Zhou, L.;, Cao, Y. F. Simultaneous Determination of Seven Phthalates and Four Parabens in Cosmetic Products Using HPLC-DAD and GC-MS Methods. J. Sep. Sci. 2007, 30, 48-54.
67. Tsai, T. F.;, Lee, M. R. Determination of Antioxidants and Preservatives in Cosmetics by SPME Combined with GC-MS. Chromatographia 2008, 67, 425-431.
68. Belgaied, J. E.;, Trabelsi, H. Determination of Cisapride, Its Oxidation Product, Propyl and Butyl Parabens in Pharmaceutical Dosage Form by Reversed-Phase Liquid Chromatography. J. Pharm. Biomed. Anal. 2003, 33, 991-998.
69. Kulikov, A. U.;, Verushkin, A. G. Simultaneous Determination of Paracetamol, Caffeine, Guaifenesin and Preservatives in Syrups by Micellar LC. Chromatographia 2008, 67, 347-355.
70. Lee, M. R.;, Lin, C. Y.;, Li, Z. G.;, Tsai, T. F. Simultaneous Analysis of Antioxidants and Preservatives in Cosmetics by Supercritical Fluid Extraction Combined with Liquid Chromatography-Mass Spectrometry. J. Chromatogr. A 2006, 1120, 244-251.
71. Labat, L.;, Kummer, E.;, Dallet, P.;, Dubost, J. P. Comparison of High-Performance Liquid Chromatography and Capillary Zone Electrophoresis for the Determination of Parabens in Cosmetic Products. J. Pharm. Biomed. Anal. 2000, 23, 763-769.
72. Wang, L.;, Zhang, X.;, Wang, Y.;, Wang, W. Simultaneous Determination of Preservatives in Soft Drinks, Yogurts and Sauces by a Novel Solid-Phase Extraction Element and Thermal Desorption-Gas Chromatography. Anal. Chim. Acta 2006, 577, 62-67.
73. Han, F.;, He, Y. Z.;, Yu, C. Z. On-line Pretreatment and Determination of Parabens in Cosmetic Products by Combination of Flow Injection Analysis, Solid-Phase Extraction and Micellar Electrokinetic Chromatography. Talanta 2008, 74, 1371-1377.
74. Huang, H. Y.;, Lai, Y. C.;, Chiu, C. W.;, Yeh, J. M. Comparing Micellar Electrokinetic Chromatography and Microemulsion Electrokinetic Chromatography for the Analysis of Preservatives in Pharmaceutical and Cosmetic Products. J. Chromatogr. A 2003, 993, 153-164.
75. Saraji, M.;, Mirmahdieh, S. Single-Drop Microextraction Followed by In-Syringe Derivatization and GC-MS Detection for the Determination of Parabens in Water and Cosmetic Products. J. Sep. Sci. 2009, 32, 988-995.
76. Prichodko, A.;, Jonusaite, K.;, Vickackaite, V. Hollow Fibre Liquid Phase Microextraction of Parabens. Cent. Eur. J. Chem. 2009, 7, 285-290.
77. Msagati, T. A. M.;, Barri, T.;, Larsson, N.;, Jnsson, J.. Analysis And Quantification Of Parabens In Cosmetic Products By Utilizing Hollow Fibre-Supported Liquid Membrane And High Performance Liquid Chromatography With Ultraviolet Detection. Int. J. Cosm. Sci. 2008, 30, 297-307.
78. Farajzadeh, M. A.;, Djozan, Dj.;, Fazeli Bakhtiyari, R. Use of a Capillary Tube for Collecting an Extraction Solvent Lighter Than Water After Dispersive Liquid-Liquid Microextraction and Its Application in the Determination of Parabens in Different Samples by Gas Chromatography-Flame Ionization Detection. Talanta 2010, 81, 1360-1367.
79. Regueiro, J.;, Llompart, M.;, Garcia-Jares, C.;, Garcia-Monteagudo, J. C.;, Cela, R. Ultrasound-Assisted Emulsification-Microextraction of Emergent Contaminants and Pesticides in Environmental Waters. J. Chromatogr. A 2008, 1190, 27-38.
80. Ozcan, S.;, Tor, A.;, Aydin, M. E. Application of Ultrasound-Assisted Emulsification-Micro-Extraction for the Analysis of Organochlorine Pesticides in Waters. Water Res. 2009, 43, 4269-4277.
81. Ozcan, S.;, Tor, A.;, Aydin, M. E. Determination of Selected Polychlorinated Biphenyls in Water Samples by Ultrasound-Assisted Emulsification-Microextraction and Gas Chromatography-Mass-Selective Detection. Anal. Chim. Acta 2009, 647, 182-188.
82. Fontana, A. R.;, Wuilloud, R. G.;, Martinez, L. D.;, Altamirano, J. C. Simple Approach Based on ultrasound-Assisted Emulsification-Microextraction for Determination of Polibrominated Flame Retardants in Water Samples by Gas Chromatography-Mass Spectrometry. J. Chromatogr. A 2009, 1216, 147-153.
83. Zhou, Q.;, Zhang, X.;, Xiao, J. Ultrasound-Assisted Ionic Liquid Dispersive Liquid-Phase Micro-Extraction: A Novel Approach for the Sensitive Determination of Aromatic Amines in Water Samples. J. Chromatogr. A 2009, 1216, 4361-4365.
84. Regueiro, J.;, Llompart, M.;, Psillakis, E.;, Garcia-Monteagudo, J. C.;, Garcia-Jares, C. Ultrasound-Assisted Emulsification-Microextraction Of Phenolic Preservatives In Water. Talanta 2009, 79, 1387-1397.
85. Saleh, A.;, Yamini, Y.;, Faraji, M.;, Rezaee, M.;, Ghambarian, M. Ultrasound-Assisted Emulsification Microextraction Method Based on Applying Low Density Organic Solvents Followed by Gas Chromatography Analysis for the Determination of Polycyclic Aromatic Hydrocarbons in Water Samples. J. Chromatogr. A 2009, 1216, 6673-6679.
86. Blanco, E.;, Casais, M. C.;, Mejuto, M. C.;, Cela, R. Combination of Off-Line Solid-Phase Extraction and On-Column Sample Stacking for Sensitive Determination of Parabens and p-Hydroxybenzoic Acid in Waters by Non-Aqueous Capillary Electrophoresis. Anal. Chim. Acta 2009, 647, 104-111.
87. Mason, T. J.;, Lorimer, J. P. Applied Sonochemistry: Uses of Power Ultrasound in Chemistry and Processing, Wiley VCH Verlag GmbH: Weinheim, 2002.
88. Wu, J.;, Lee, H. K. Ion-Pair Dynamic Liquid-Phase Microextraction Combined with Injection-Port Derivatization for the Determination of Long-Chain Fatty Acids in Water Samples. J. Chromatogr. A 2006, 1133, 13-20.
89. Han, F.;, He, Y-Z.;, Li, L.;, Fu, G-N.;, Xie, H-Y.;, Gan, W-E. Determination of Benzoic Acid and Sorbic Acid in Food Products Using Electrokinetic Flow Analysis-Ion Pair Solid Phase Extraction-Capillary Zone Electrophoresis. Anal. Chim. Acta 2008, 618, 79-85.
90. Lan, K.;, Jiang, X.;, Li, Y.;, Wang, L.;, Zhou, J.;, Jiang, Q.;, Ye, L. Quantitative Determination of Rosuvastatin in Human Plasma by Ion Pair Liquid-Liquid Extraction Using Liquid Chromatography with Electrospray Ionization Tandem Mass Spectrometry. J. Pharm. Biomed. Anal. 2007, 44, 540-546.
91. Márquez-Sillero, I.;, Aguilera-Herrador, E.;, Cárdenas, S.; Valcárcel. M. Determination of Parabens in Cosmetic Products Using Multi-Walled Carbon Nanotubes as Solid Phase Extraction Sorbent and corona-Charged Aerosol Detection System. J. Chromatogr. A 2010, 1217, 1-6.
92. Villaverde-de-Sáa, E.;, González-Mario, I.;, Quintana, J. B.;, Rodil, R.;, Rodrguez, I.;, Cela, R. In-Sample Acetylation-Non-Porous Membrane-Assisted Liquid-Liquid Extraction for the Determination of Parabens and Triclosan in Water Samples. Anal. Bioanal. Chem. 2010, 397, 2559-2568.