Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection.

Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Research Abstract Details 

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Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Abstract Text:

A simple, rapid, and accurate method is described for the determination of residual fluvalinate in beeswax. The procedure consists of partitioning on a disposable column of diatomaceous earth (Extrelut), followed by chromatographic cleanup on a Florisil cartridge. The final extract is analyzed by capillary gas chromatography with electron-capture detection (GC-ECD). Briefly, wax samples were dissolved in n-hexane, and the solutions were sonicated and transferred to Extrelut columns. The fluvalinate was extracted with acetonitrile, and a portion of the extract was cleaned up on a Florisil cartridge. The fluvalinate was eluted with diethyl ether-n-hexane (1 + 1) and directly determined by GC-ECD. Recoveries from wax samples spiked at 5 fortification levels (100-1500 microg/kg) ranged from 77.4 to 87.3%, with coefficients of variation of 5.12-8.31%. The overall recovery of the method was 81.4 +/- 3.2%, and the limit of determination was 100 microg/kg.

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Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of AOAC International

VOLUME: 83

Page Numbers: 1225-8

Journal Abbreviation: J AOAC Int

ISSN: 1060-3271

DAY: 17

MONTH: 03

YEAR: 2008

Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Information

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LANGUAGE: eng

NlmUniqueID: 9215446

Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Keywords Mesh Terms:

KEYWORDS: Waxes

MESH TERMS: chemistry

Chemical & Substance for Abstract: Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection. Information

Substance Name: beeswax

Registry Number: 8012-89-3

Grant and Affiliation Information for Determination of fluvalinate residues in beeswax by gas chromatography with electron-capture detection.

AFFILIATION: National Agricultural Research Foundation, Institute of Veterinary Research of Athens, Laboratory of Honey Analysis, Greece.

Country: UNITED STATES

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MEDLINETA: J AOAC Int

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