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Economic method for analysis of fluid milk for organochlorine residues at the 10 ppb level.
Year:
1980
Authors :
Aharonson, Nadav
;
.
Veierov, Dan
;
.
Volume :
63
Co-Authors:
Veierov, D.
Aharonson, N.
Facilitators :
From page:
532
To page:
535
(
Total pages:
4
)
Abstract:
A procedure is described to isolate and clean up organochlorines in fluid milk for gas chromatographic (GC-ECD) analysis. Extraction and cleanup are performed in the same glassware, an ordinary separatory funnel. The only chemicals needed are H2SO4 and petroleum ether. Size of milk samples is versatile provided proportions of the chemicals are adjusted accordingly. Recoveries greater than 80% are obtained for 18 common organochlorines added to the milk which correspond well with recoveries with official methods for determining incurred residues. The proposed procedure shows a low lipid carryover (about 1%), and extraneous interferences are minimal. Its inherent simplicity makes the method suitable for standardization, and the small number of operations permit semi- or full automation.
Note:
Related Files :
Animal
article
chemistry
Insecticides, Organochlorine
Microchemistry
milk
organochlorine insecticide
pesticide residue
Pesticide Residues
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29697
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:48
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Scientific Publication
Economic method for analysis of fluid milk for organochlorine residues at the 10 ppb level.
63
Veierov, D.
Aharonson, N.
Economic method for analysis of fluid milk for organochlorine residues at the 10 ppb level.
A procedure is described to isolate and clean up organochlorines in fluid milk for gas chromatographic (GC-ECD) analysis. Extraction and cleanup are performed in the same glassware, an ordinary separatory funnel. The only chemicals needed are H2SO4 and petroleum ether. Size of milk samples is versatile provided proportions of the chemicals are adjusted accordingly. Recoveries greater than 80% are obtained for 18 common organochlorines added to the milk which correspond well with recoveries with official methods for determining incurred residues. The proposed procedure shows a low lipid carryover (about 1%), and extraneous interferences are minimal. Its inherent simplicity makes the method suitable for standardization, and the small number of operations permit semi- or full automation.
Scientific Publication
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