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Determinação de enxofre em amostras de grafite flexível por ICP OES utilizando piroidrólise como preparo de amostra
(Universidade Federal de Santa Maria, 2013-07-16)
The flexible graphite is a material produced from the intercalation, exfoliation
and compression of graphite. Due to its low porosity, high chemical and thermal
resistance, the flexible graphite is used in many different ...
Decomposição assistida por radiação micro-ondas e ultravioleta para posterior determinação de níquel, vanádio e enxofre em coque de petróleo
(Universidade Federal de Santa Maria, 2013-07-12)
The presence of Ni, V and S in petroleum coke is undesirable because can cause poisoning in catalysts used in refining processes and problems during the coke burning such as SOX emissions, abrasion and fouling of the ...
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 ...