Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines
A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a m...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Song, Ying [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Schlagwörter: |
Homogeneous ionic liquid microextraction |
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| Umfang: |
7 |
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| Übergeordnetes Werk: |
Enthalten in: Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications - Mohamed, S.H. ELSEVIER, 2019, the international journal of pure and applied analytical chemistry, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:135 ; year:2015 ; day:1 ; month:04 ; pages:163-169 ; extent:7 |
| Links: |
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| DOI / URN: |
10.1016/j.talanta.2014.12.049 |
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ELV018132057 |
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| 245 | 1 | 0 | |a Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines |
| 264 | 1 | |c 2015transfer abstract | |
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| 520 | |a A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. | ||
| 520 | |a A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. | ||
| 650 | 7 | |a Red wines |2 Elsevier | |
| 650 | 7 | |a Microwave-assisted extraction |2 Elsevier | |
| 650 | 7 | |a Homogeneous ionic liquid microextraction |2 Elsevier | |
| 650 | 7 | |a Sudan dyes |2 Elsevier | |
| 650 | 7 | |a High-performance liquid chromatography |2 Elsevier | |
| 650 | 7 | |a Ionic liquid |2 Elsevier | |
| 700 | 1 | |a Wu, Lijie |4 oth | |
| 700 | 1 | |a Li, Na |4 oth | |
| 700 | 1 | |a Hu, Mingzhu |4 oth | |
| 700 | 1 | |a Wang, Ziming |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Mohamed, S.H. ELSEVIER |t Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications |d 2019 |d the international journal of pure and applied analytical chemistry |g Amsterdam [u.a.] |w (DE-627)ELV003060667 |
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10.1016/j.talanta.2014.12.049 doi GBVA2015001000003.pica (DE-627)ELV018132057 (ELSEVIER)S0039-9140(15)00002-8 DE-627 ger DE-627 rakwb eng 540 540 DE-600 530 620 VZ 53.56 bkl Song, Ying verfasserin aut Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. Red wines Elsevier Microwave-assisted extraction Elsevier Homogeneous ionic liquid microextraction Elsevier Sudan dyes Elsevier High-performance liquid chromatography Elsevier Ionic liquid Elsevier Wu, Lijie oth Li, Na oth Hu, Mingzhu oth Wang, Ziming oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 https://doi.org/10.1016/j.talanta.2014.12.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 135 2015 1 0401 163-169 7 045F 540 |
| spelling |
10.1016/j.talanta.2014.12.049 doi GBVA2015001000003.pica (DE-627)ELV018132057 (ELSEVIER)S0039-9140(15)00002-8 DE-627 ger DE-627 rakwb eng 540 540 DE-600 530 620 VZ 53.56 bkl Song, Ying verfasserin aut Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. Red wines Elsevier Microwave-assisted extraction Elsevier Homogeneous ionic liquid microextraction Elsevier Sudan dyes Elsevier High-performance liquid chromatography Elsevier Ionic liquid Elsevier Wu, Lijie oth Li, Na oth Hu, Mingzhu oth Wang, Ziming oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 https://doi.org/10.1016/j.talanta.2014.12.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 135 2015 1 0401 163-169 7 045F 540 |
| allfields_unstemmed |
10.1016/j.talanta.2014.12.049 doi GBVA2015001000003.pica (DE-627)ELV018132057 (ELSEVIER)S0039-9140(15)00002-8 DE-627 ger DE-627 rakwb eng 540 540 DE-600 530 620 VZ 53.56 bkl Song, Ying verfasserin aut Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. Red wines Elsevier Microwave-assisted extraction Elsevier Homogeneous ionic liquid microextraction Elsevier Sudan dyes Elsevier High-performance liquid chromatography Elsevier Ionic liquid Elsevier Wu, Lijie oth Li, Na oth Hu, Mingzhu oth Wang, Ziming oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 https://doi.org/10.1016/j.talanta.2014.12.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 135 2015 1 0401 163-169 7 045F 540 |
| allfieldsGer |
10.1016/j.talanta.2014.12.049 doi GBVA2015001000003.pica (DE-627)ELV018132057 (ELSEVIER)S0039-9140(15)00002-8 DE-627 ger DE-627 rakwb eng 540 540 DE-600 530 620 VZ 53.56 bkl Song, Ying verfasserin aut Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. Red wines Elsevier Microwave-assisted extraction Elsevier Homogeneous ionic liquid microextraction Elsevier Sudan dyes Elsevier High-performance liquid chromatography Elsevier Ionic liquid Elsevier Wu, Lijie oth Li, Na oth Hu, Mingzhu oth Wang, Ziming oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 https://doi.org/10.1016/j.talanta.2014.12.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 135 2015 1 0401 163-169 7 045F 540 |
| allfieldsSound |
10.1016/j.talanta.2014.12.049 doi GBVA2015001000003.pica (DE-627)ELV018132057 (ELSEVIER)S0039-9140(15)00002-8 DE-627 ger DE-627 rakwb eng 540 540 DE-600 530 620 VZ 53.56 bkl Song, Ying verfasserin aut Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. Red wines Elsevier Microwave-assisted extraction Elsevier Homogeneous ionic liquid microextraction Elsevier Sudan dyes Elsevier High-performance liquid chromatography Elsevier Ionic liquid Elsevier Wu, Lijie oth Li, Na oth Hu, Mingzhu oth Wang, Ziming oth Enthalten in Elsevier Science Mohamed, S.H. ELSEVIER Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications 2019 the international journal of pure and applied analytical chemistry Amsterdam [u.a.] (DE-627)ELV003060667 volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 https://doi.org/10.1016/j.talanta.2014.12.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.56 Halbleitertechnologie VZ AR 135 2015 1 0401 163-169 7 045F 540 |
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Enthalten in Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications Amsterdam [u.a.] volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 |
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Enthalten in Optical, water splitting and wettability of titanium nitride/titanium oxynitride bilayer films for hydrogen generation and solar cells applications Amsterdam [u.a.] volume:135 year:2015 day:1 month:04 pages:163-169 extent:7 |
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utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of sudan dyes in red wines |
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Utilization of a novel microwave-assisted homogeneous ionic liquid microextraction method for the determination of Sudan dyes in red wines |
| abstract |
A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. |
| abstractGer |
A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. |
| abstract_unstemmed |
A novel microwave-assisted homogeneous ionic liquid microextraction (MA-HILME) method was first developed for the extraction of Sudan dyes in red wines followed by detection using high-performance liquid chromatography. 1-dodecyl-3-methylimidazolium bromide ([C12MIM]Br) was used as extractant in a microwave-assisted extraction (MAE) procedure, and then transferred into hydrophobic solid-state ionic liquid after adding ammonium hexafluorophosphate ([NH4][PF6]). The separation between liquid state sample and solid state extractant can be realized easily. Several experimental parameters, including type and amount of extraction solvent, microwave power and irradiation time, amount of ion-exchange reagent ([NH4][PF6]), pH of sample solution, and ionic strength, were evaluated. Under the optimum experimental conditions, the linearity for the determining of the analytes was in the range of 0.5–100μgL−1, with the correlation coefficients ranging from 0.9995 to 0.9999. The limits of detection for Sudan I, Sudan II, Sudan III, and Sudan IV were 0.19, 0.18, 0.24, and 0.16μgL−1, respectively. When the present method was applied to the determination of Sudan dyes in red wines, satisfactory recoveries were obtained in the range of 78.5–106.8%, and relative standard deviations were lower than 9.7%. |
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