Levels of N-nitrosodimethylamine in nitrogen fertilizers/herbicide mixtures containing 2,4-D present as dimethylamine salt

Concentrations of N-nitrosodimethylamine (NDMA) were determined in mixtures of nitrogen fertilizers and herbicides present as the corresponding diethylamine salts. No NDMA was detected in fertilizers before they were mixed with herbicides. NDMA levels in mixtures of fertilizers and 2,4-D herbicide p...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1990-12, Vol.45 (6), p.847-852
Main Authors: Wigfield, Y.Y. (Agriculture Canada, Ottawa, Ontario, Canada), McLenaghan, C.C
Format: Article
Language:English
Subjects:
2,4-D
2,4-Dichlorophenoxyacetic Acid - analysis
ABONOS NITROGENADOS
Agronomy. Soil science and plant productions
ALMACENAMIENTO
AMINAS
AMINE
AMINES
Biological and medical sciences
CANADA
Chromatography, Gas
COMBINACIONES DE ABONOS
Dimethylamines - analysis
Dimethylnitrosamine - analysis
ENGRAIS AZOTE
ENGRAIS COMBINE
FERTILIZER COMBINATIONS
Fertilizers - analysis
Fundamental and applied biological sciences. Psychology
HERBICIDAS
HERBICIDE
HERBICIDES
Herbicides - analysis
N-NITROSODIMETHYLAMINE
Nitrogen
NITROGEN FERTILIZERS
NITROSAMINAS
NITROSAMINE
NITROSAMINES
RECOVERY
SALES
SALTS
SEL
Soil and water pollution
Soil science
STOCKAGE
STORAGE
WEED AND FEED MIXTURES
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Summary:Concentrations of N-nitrosodimethylamine (NDMA) were determined in mixtures of nitrogen fertilizers and herbicides present as the corresponding diethylamine salts. No NDMA was detected in fertilizers before they were mixed with herbicides. NDMA levels in mixtures of fertilizers and 2,4-D herbicide present as dimethylamine salt stored at room temperature for 7-10 d were within the analytical variation of that originally occurring in the herbicide. Therefore, mixtures of various fertilizers and 2,4-D/diethylamine salt do not generate any significant additional NDMA.
ISSN:0007-4861
1432-0800
DOI:10.1007/BF01701082