http://www.cnr.it/ontology/cnr/individuo/prodotto/ID46313
Rapid method for determination of phosphine residues in wheat. (Articolo in rivista)
- Type
- Label
- Rapid method for determination of phosphine residues in wheat. (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
Longobardi F., Pascale M., Silvestri M., Visconti A. (2008)
Rapid method for determination of phosphine residues in wheat.
in Food analytical methods
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Longobardi F., Pascale M., Silvestri M., Visconti A. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via G. Amendola 122/O, 70126 Bari, Italy
(2) Barilla G. & R. Fratelli S.p.A., via Mantova 166, 43100 Parma, Italy
(literal)
- Titolo
- Rapid method for determination of phosphine residues in wheat. (literal)
- Abstract
- A rapid method for spectrophotometric determination of phosphine residues in wheat has been developed. Phosphine-fumigated wheat kernels were added with 10% sulfuric acid in a gas-tight flask, and phosphine was released into the headspace by microwave irradiation. Phosphine was spectrophotometrically determined after reaction with silver nitrate. A good linearity of the calibration curve was obtained with wheat spiked at levels ranging from 0.035 to 0.230 ¼g/g with correlation coefficient (r) of 0.9965 and a detection limit of 0.026 ¼g/g. The total time of analysis was 10 min. Headspace analysis was also performed by micro-gas chromatography (GC) with a thermal conductivity detector (micro-GC-TCD). Results obtained with the spectrophotometric and micro-GC-TCD methods showed good correlations with those obtained with the most widely used GC with nitrogenphosphorus detector with r values of 0.9940 and 0.9946, respectively.
(literal)
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