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Desenvolvimento e validação de método multirresíduo empregando gc-ms (nci-sim) para determinação de pesticidas em grãos de trigo e seus produtos processados
(Universidade Federal de Santa Maria, 2008-03-07)
In this study a multiresidue method for the determination of 24 pesticides in wheat, flour, bran and bread using GC-MS (NCI-SIM) mode was developed and validated. The objective of this study was to evaluate the pesticides ...
Método rápido para a determinação simultânea de resíduos de agrotóxicos e medicamentos veterinários em alimentos de origem animal por LC-MS/MS
(Universidade Federal de Santa Maria, 2011-03-03)
Currently, one of highest trade barriers that Brazil has found for the marketing of their products from the agribusiness chain is the lack of informations on the presence of residues in foods produced in the country. Due ...
Métodos individual e multirresidual para determinação de pesticidas em grãos e derivados por GC-PFPD, GC-ITD-MS e LC-MS/MS
(Universidade Federal de Santa Maria, 2011-08-29)
Due to the complexity of grains like soybean, corn and rice, and the very low
pesticide concentration expected for these samples, it is really necessary to develop
efficient and reliable analytical methods to identify and ...
Determinação de resíduos de compostos orgânicos em água por microextração líquido-líquido dispersiva (DLLME) E GC-(TQ)MS/MS
(Universidade Federal de Santa Maria, 2010-11-29)
The use of chemicals, which generates a lot off benefits, is responsible for the contamination of soil, water and foods. The concern about contamination of surface
and ground water systems by pesticides has grown in ...
Validação e aplicação de método empregando QuEChERS modificado e GC-ECD para determinação de resíduos de pesticidas em grão e casca de arroz
(Universidade Federal de Santa Maria, 2010-08-12)
The current agriculture is characterized by the use of new technologies and equipment, the increased number of agronomic research and the use of a variety of inputs such as pesticides and fertilizers. All this is directly ...
Determinação de POPs e agrotóxicos em leite materno empregando cromatografia a gás acoplada à espectrometria de massas com ionização química negativa (GC-NCI-MS)
(Universidade Federal de Santa Maria, 2016-03-31)
The Stockholm Convention was the first global attitude trying to preserve human health and the environment of the indiscriminate use of persistent organic pollutants (POPs), especially pesticides, which are characterized ...
Método multirresíduo para agrotóxicos e compostos relacionados em ar empregando trapeamento em sorvente polimérico
(Universidade Federal de Santa Maria, 2013-10-25)
While pesticides are applied to crops in order to control pests and thereby increase productivity, these substances can undergo processes such as volatilization, dispersion and transport, reaching the atmosphere, soil and ...
Desenvolvimento de método para a determinação simultânea de resíduos de agrotóxicos e medicamentos veterinários em solo por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2013-08-30)
Typically, soil is the final destination of pesticides applied in agriculture and of veterinary drugs employed in animal production. The global concern about the possible consequences of the increased use of these compounds ...
Estudo de métodos empregando extração em fase sólida e análise por HPLC-DAD e GC-ECD para a determinação de resíduos de pesticidas em águas e da degradação a campo
(Universidade Federal de Santa Maria, 2007-02-26)
The culture of irrigated rice generates a great impact to the environment, both in the amount and the quality of waters. In this study, a methodology was developed and validated for the determination, in waters, of residues ...
Estudo da estabilidade a campo dos pesticidas carbofurano e quincloraque em água de lavoura de arroz irrigado empregando SPE e HPLC-DAD
(Universidade Federal de Santa Maria, 2007-07-24)
The use of pesticides to control pests, diseases and weeds in crops of agricultural interest aims at the increase of production. The degradation of applied compounds or their conversion into other products, does not ...