A Dispersive Liquid- Liquid Microextraction based Gas Chromatography – Mass Spectrometry (DLLME-GC-MS) Method for the Simultaneous Determination of Fungicide Residues in Fruit Samples

1
Thammisetty Venkata Rao
Thammisetty Venkata Rao
2
Gundoju Suresh
Gundoju Suresh
3
Atmakuru Ramesh
Atmakuru Ramesh
1 International Institue of Biotechnology and toxicology, padappai, Tamilnadu, India

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A Dispersive Liquid- Liquid Microextraction based Gas Chromatography – Mass Spectrometry (DLLME-GC-MS) Method for the Simultaneous Determination of Fungicide Residues in Fruit Samples Banner
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A simple and sensitive dispersive liquid -liquid microextraction method based gas chromatography mass spectrometry (DLLME-GC-MS) has been developed for the simultaneous determination of twelve azole fungicides (Tetraconazole, Penconazole, Tricyclazole, Propiconazole, Tebuconazole, Epoxyconazole, Etoxazole, Fluquinconazole, Difenconazole) in fruit samples. The following parameters that affect the DLLME procedure efficiency were optimized: Selection of extraction solvent and dispersion solvent, extraction time and ionic strength. Under the optimal conditions the linearity of the method was established over the range 0.001 -1.0 μg/mL with the correlation coefficients ranging from 0.9962 -0.9997. The recoveries of the DLLME ranged from 85 to 105, with relative standard deviation (RSD) < 9.5%.

10 Cites in Articles

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Thammisetty Venkata Rao. 2013. \u201cA Dispersive Liquid- Liquid Microextraction based Gas Chromatography – Mass Spectrometry (DLLME-GC-MS) Method for the Simultaneous Determination of Fungicide Residues in Fruit Samples\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 13 (GJSFR Volume 13 Issue B6): .

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GJSFR Volume 13 Issue B6
Pg. 55- 60
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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September 21, 2013

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English

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A simple and sensitive dispersive liquid -liquid microextraction method based gas chromatography mass spectrometry (DLLME-GC-MS) has been developed for the simultaneous determination of twelve azole fungicides (Tetraconazole, Penconazole, Tricyclazole, Propiconazole, Tebuconazole, Epoxyconazole, Etoxazole, Fluquinconazole, Difenconazole) in fruit samples. The following parameters that affect the DLLME procedure efficiency were optimized: Selection of extraction solvent and dispersion solvent, extraction time and ionic strength. Under the optimal conditions the linearity of the method was established over the range 0.001 -1.0 μg/mL with the correlation coefficients ranging from 0.9962 -0.9997. The recoveries of the DLLME ranged from 85 to 105, with relative standard deviation (RSD) < 9.5%.

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A Dispersive Liquid- Liquid Microextraction based Gas Chromatography – Mass Spectrometry (DLLME-GC-MS) Method for the Simultaneous Determination of Fungicide Residues in Fruit Samples

Thammisetty Venkata Rao
Thammisetty Venkata Rao International Institue of Biotechnology and toxicology, padappai, Tamilnadu, India
Gundoju Suresh
Gundoju Suresh
Atmakuru Ramesh
Atmakuru Ramesh

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