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

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 * §

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§ International Institue of Biotechnology and toxicolo...

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

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Abstract

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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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.

How to Cite This Article

Thammisetty Venkata Rao, raamesh_a. 2013. "A Dispersive Liquid- Liquid Microextraction based Gas Chromatography – Mass Spectrometry (DLLME-GC-MS) Method for the Simultaneous Determination of Fungicide Residues in Fruit Samples". Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 13 (GJSFR Volume 13 Issue 39 (B6)).

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GJSFR Volume 13 Issue 39 (B6)

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

dispersive liquid -liquid microextraction fruits fun - gicides gas chromatograph mass spectrometer

Classification

GJSFR-B Classification FOR Code: 070699

090801

Submission ReceivedJuly 22, 2013
Peer Review Double Blind
Handling Editor
Accepted August 17, 2013
Published August 19, 2013

Version of record

v1.2

Issue date

August 19, 2013

Language

English

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Article Matrices

Total Score: 103

Country: India

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Thammisetty Venkata Rao, Gundoju Suresh, Atmakuru Ramesh (PhD/Dr. count: 0)

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