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Decomposição de polímero à base de enxofre para posterior determinação de Ca, Fe e Na por ICP OES
(Universidade Federal de Santa Maria, 2010-01-18)
In this work different procedures were evaluated for the decomposition of a
sulfur-based commercial polymer, with subsequent Ca, Fe and Na determination,
elements present in additives, using inductively coupled plasma ...
Decomposição de suplemento mineral por piroidrólise para a determinação de halogênios
(Universidade Federal de Santa Maria, 2006-03-10)
In this work it is proposed a method for fluorine (F), bromine (Br) and iodine (I) determination in mineral-feedingstuff after sample decomposition by pyrohydrolysis. Fluoride is determined potentiometrically by means of ...
Estudo do óleo essencial e extrato hexânico da casca do caule de Schinus lentiscifolius
(Universidade Federal de Santa Maria, 2015-04-06)
Many advances in science and industry were inspired by research in natural products, and play an important role in the evolution of organic synthesis, as many methods have been inserted by the efforts in the total synthesis ...
Determinação voltamétrica de tiofenos, sulfetos, sulfóxidos e sulfonas em matrizes asfálticas empregando eletrodo de mercúrio
(Universidade Federal de Santa Maria, 2016-02-26)
Sulfur compounds in petroleum asphalt cement (CAP) are related to quality parameters such as reactivity, corrosivity, pollution potential and are directly related to the aging of the asphalt. In this work, a voltammetric ...
Síntese, caracterização estrutural e estudo fotofísico de cromóforos diflúor-organoboro derivados de azaheterociclos
(Universidade Federal de Santa Maria, 2018-07-11)
The present work presents the synthesis and spectroscopic study of new oxadiazaborinine derivatives from 2-amino substituted azaheterocycles systems, subdivided into four different classes of azaheterocycles, these are ...
Antipsicóticos em efluente hospitalar: ocorrência, método cromatográfico, avaliação de risco e ozonização
(Universidade Federal de Santa Maria, 2018-09-06)
Residues of psychoactive drugs in environmental samples have received great attention
in recent years due to the high consumption and the impacts they can cause to
ecosystems and also to human health. The objective of ...
Drogas anticâncer em efluente hospitalar: método, ocorrência, avaliação preliminar de risco, degradação por fotólise e ozonização
(Universidade Federal de Santa Maria, 2018-09-06)
In the last decade, the demand for anti-cancer drugs has grown considerably. These
products are one of the drug classes with great potential to cause harm to the
environment, even in low concentrations, and may have ...
Síntese e caracterização de complexos metálicos (CuI,CuII,CoII, PdII) derivados do ligante 2-(2-piridilselanometil)piridina
(Universidade Federal de Santa Maria, 2018-10-29)
This work presents the synthesis and characterization of eight compounds derived from a new synthesis methodology of the 2-picolyl selonopyridine linker with metals of different hardness. All the compounds had their structure ...
Síntese de novos selenofenos indólicos via adição eletrofílica de SeCl2
(Universidade Federal de Santa Maria, 2019-02-01)
This work initially describes a novel and efficient protocol for the synthesis of 3-selenophen-3-yl-1H-indole derivatives via the electrophilic addition of SeCl2 to the conveniently substituted propargyl-indoles. The ...
Isolamento, determinação estrutural e atividades biológicas de metabólitos dos fungos Phellinotus piptadeniae E Pisolithus tinctorius
(Universidade Federal de Santa Maria, 2019-01-29)
Basidiomycete fungi are important living organisms that present several bioactive compounds, which have antimicrobial, antitumor, antioxidant, and anti-inflammatory potential. Several compounds and potentialities of this ...