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Itens para a visualização no momento 21-30 of 30
Determinação multiclasse de agrotóxicos em camas biológicas empregando cromatografia líquida acoplada a espectrometria de massas
(Universidade Federal de Santa Maria, 2022-02-14)
Pesticides are used worldwide in the agricultural production of different crops in order to avoid losses in production due to the attack of pests and diseases. Due to the increase in food production, consequently, the ...
Método multirresíduo de agrotóxicos em caqui empregando QuEChERS sem limpeza do extrato e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-03-16)
Pesticides are widely used in food crops and residues of these compounds may be present in these crops. Despite their large-scale use in agriculture, pesticides can be dangerous to human health, animals and the environment. ...
Determinação de resíduos de agrotóxicos em tomate para fins de acreditação
(Universidade Federal de Santa Maria, 2014-01-17)
The optimization and validation of an analytical method for 51 pesticides determination in tomato, using UPLC-MS/MS, was developed in order to fulfill the requirement 5.4.5 (Method Validation) of the NBR ISO/IEC 17025:2005 ...
Desenvolvimento de método para determinação de resíduos de agrotóxicos em azeite de oliva empregando GC-MS/MS
(Universidade Federal de Santa Maria, 2022-03-16)
In Brazil, olive oil is defined as a product obtained from the fruits of the olive tree Oleaeuropaea L. and it is already configured in the international scenario as the second largest importer of olive oil. Olive oil has ...
Determinação multirresíduo de agrotóxicos em banana empregando método QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-04-29)
In recent years, it has been possible to observe that the use of pesticides in various cultures has increased alarmingly and, in most cases, is added to an inappropriate practice of use, as well as impr oper disposal. ...
Determinação multirresíduo de agrotóxicos em berinjela empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-09-05)
The intensive use of pesticides in agriculture, especially herbicides, insecticides and
fungicides, aims to control pests and diseases in order to increase production. On the
other hand, consumers of these products can ...
Desenvolvimento e validação de procedimento analítico para a determinação de compostos organohalogenados em fertilizante orgânico empregando GC-ECD
(Universidade Federal de Santa Maria, 2004-02-17)
The growing worldwide concern regarding the life quality, especially
regarding the preservation and appropriate use of natural resources and quality of
food, has reflected on the productive systems. Inside this new ...
Método multirresíduo para determinação de agrotóxicos em mamão empregando QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-10-21)
Papaya is the fourth most consumed fruit in Brazil and the third most exported fruit by
the country. In search of better results in production and greater resistance to diseases
and pests, pesticides have their widespread ...
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 ...
Determinação mutirresíduo de agrotóxicos em pimentão utilizando método QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2013-02-28)
In recent years, the indiscriminate use of pesticides and non-adoption of good
agricultural practices have been evidenced by the results of analysis of pesticide
residues in food, such as sweet pepper, one of Brazilian ...