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1324345 
Journal Article 
Determination of levels of lead contamination in food and feed crops 
Cabrera, C; Gallego, C; Lopez, MC; Lorenzo, ML; Lillo, E 
1994 
Yes 
Journal of AOAC International
ISSN: 1060-3271 
BIOSIS/96/36904 
77 
1249-1252 
English 
BIOSIS COPYRIGHT: BIOL ABS. A rapid, precise procedure is described for the determination of lead in food and feed products with electrothermal atomic absorption spectrophotometry. Samples were mineralized in a microwave acid digestion bomb in the presence of nitric acid and vanadium pentoxide. Lead concentrations were determined directly from digested samples. The detection limit was 0.04 ng/mL. Accuracy and precision were checked against National Institute of Standards and Technology standard reference material. The analytical method was tested with 51 food and feed crops from Mediterranean zones in Spain and found to be suitable for these products. Lead concentrations in samples ranged from not detectable to 2.695 mug/g (fresh weight). 
Biochemical Methods-Minerals; Food Technology-General; Food Technology-Evaluations of Physical and Chemical Properties (1970- ); Toxicology-General; Agronomy-Forage Crops and Fodder 

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