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אסיף מאגר המחקר החקלאי
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Determination of residues of benomyl, its hydrolysis product, and thiabendazole in various crops
Year:
1973
Authors :
Aharonson, Nadav
;
.
Ben-Aziz, Abraham
;
.
Volume :
56
Co-Authors:
Aharonson, N., Pesticide Chem. Residue Res. Lab., Volcani Cent., Bet Dagan, Israel
Ben Aziz, A., Pesticide Chem. Residue Res. Lab., Volcani Cent., Bet Dagan, Israel
Facilitators :
From page:
1330
To page:
1334
(
Total pages:
5
)
Abstract:
An analytical procedure is described for residue determination of benomyl, its hydrolysis product, 2 benzimidazole carbamic acid methyl ester (MBC), and thiabendazole (TBZ) in various plants. The method involves acetone extraction, partitioning between acetone water and ethyl acetate, and cleanup on a magnesium oxide Celite alumina column. Benomyl is quantitatively converted on the chromatographic column to MBC, whereas TBZ is unchanged. The compounds are quantitatively measured by direct fluorometric measurement of either MBC or TBZ. The method is sensitive to 0.1 ppm benomyl and 0.02 ppm TBZ. The results from check samples have shown very good reproducibility and accuracy.
Note:
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environmental health
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DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
Language:
English
Editors' remarks:
ID:
19309
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:27
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Scientific Publication
Determination of residues of benomyl, its hydrolysis product, and thiabendazole in various crops
56
Aharonson, N., Pesticide Chem. Residue Res. Lab., Volcani Cent., Bet Dagan, Israel
Ben Aziz, A., Pesticide Chem. Residue Res. Lab., Volcani Cent., Bet Dagan, Israel
Determination of residues of benomyl, its hydrolysis product, and thiabendazole in various crops
An analytical procedure is described for residue determination of benomyl, its hydrolysis product, 2 benzimidazole carbamic acid methyl ester (MBC), and thiabendazole (TBZ) in various plants. The method involves acetone extraction, partitioning between acetone water and ethyl acetate, and cleanup on a magnesium oxide Celite alumina column. Benomyl is quantitatively converted on the chromatographic column to MBC, whereas TBZ is unchanged. The compounds are quantitatively measured by direct fluorometric measurement of either MBC or TBZ. The method is sensitive to 0.1 ppm benomyl and 0.02 ppm TBZ. The results from check samples have shown very good reproducibility and accuracy.
Scientific Publication
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