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Estudo do efeito matriz na determinação de agrotóxicos em diferentes tipos de arroz pelo método QuEChERS modificado e LC-MS/MS
(Universidade Federal de Santa Maria, 2012-03-30)
Rice is socially and economically important because it is the main component of the diet of more than half of the world s population. Brazil is one of the main rice producers in the world and Rio Grande do Sul state yields ...
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 ...
Desenvolvimento de métodos para determinação de resíduos de trifenilestanho em água e solo por cromatografia líquida acoplada à espectrometria de massas em série
(Universidade Federal de Santa Maria, 2018-03-29)
Triphenyltin has been widely used as fungicide in several crops, but its use in irrigated rice crop was banned in Brazil because it poses a high risk to the environment. In this work, methods for determination of triphenyltin ...
Resíduos de agrotóxicos em água potável usando SPE e determinação rápida por LC-MS/MS e GC-MS/MS
(Universidade Federal de Santa Maria, 2012-08-31)
The use of pesticides always has been associated with the effective control of pests
or invasive weeds to ensure an increase in the food production. However, the indiscriminate
use of these substances has caused the ...
Determinação de glifosato e ampa em água por injeção direta da amostra em cromatografia iônica capilar e LC-MS/MS
(Universidade Federal de Santa Maria, 2014-08-29)
Glyphosate [N-(phosphonomethyl) glycine] is the most widely used pesticide in the world for controlling weeds in agriculture. High amounts of this herbicide and its major metabolite, aminomethylphosphonic acid (AMPA), have ...
Desenvolvimento e validação de método para determinação multiresíduo de agrotóxicos em urina empregando método QuEChERS e LC-MS/MS
(Universidade Federal de Santa Maria, 2022-09-16)
Pesticides have been widely used in food crops to control pests, weeds, fungi, etc. The
indiscriminate use of these organic compounds has contributed to the increase in
cases of intoxication in humans, which can lead to ...
Desenvolvimento de método multirresíduo para determinação de agrotóxicos em suco de uva integral utilizando método QuEChERS acetato e LC-MS/MS
(Universidade Federal de Santa Maria, 2021-02-26)
In the last century, pesticides have been widely used in agriculture due to the many benefits related to the quality and quantity of crops produced. Although they contribute to pest control and increased productivity, the ...