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Determinação multirresíduo de agrotóxicos em tabaco empregando método QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-05-27)
Tobacco is the most widely grown non-food crop in the world, a wide variety of substances are used in it during and after its cultivation to protect it from pests, diseases and regulate its growth. Therefore, it is necessary ...
Determinação multirresíduo de agrotóxicos em abelha (Apis mellifera) empregando mini-QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-10-28)
Brazil has a favorable climate for extensive agricultural production, which is generally associated with the intensive use of pesticides. The harmful effect of pesticides on bee health is a topic of global concern. In the ...
Desenvolvimento de metodologia para análise de especiação de cromo em fertilizantes orgânicos
(Universidade Federal de Santa Maria, 2022-10-28)
In this work, a methodology was developed for the analysis of chromium speciation in organic fertilizer by liquid chromatography coupled to inductively coupled plasma mass spectrometry (LC-ICP-MS). For the evaluation of ...