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Síntese do 5-hidroximetilfurfural catalisada por ácido sulfâmico utilizando micro-ondas
(2019-12-18)
5-Hydroxymethylfurfural (5-HMF) is considered a molecule of high commercial interest due to the wide range of applications in the chemical industry. Examples of its application are the production of biofuels, such as ...
Avaliação do desempenho à corrosão do revestimento de zinco com verniz poliuretano e passivadores em substituição ao níquel brilhante em uma indústria de acessórios para moda
(2021-06-29)
Metallic coatings have several applications, among them, the use in jewelry and accessories for fashion. The bright nickel (Ni) coating has great use as a final finish due to its protection and bright, however, in some ...
Aplicação de marcadores químicos fluorescentes em balística forense: avaliação visual e por espectrometria de massas de alta resolução
(2022-12-30)
Brazil is a country that suffers from violence these days, mainly due to the uncontrolled use of firearms, favoring trivial crimes. Currently, for ballistic confirmation, trace metals such as antimony and lead are tested ...
Estudo da influência da preparação mecânica na aderência do primer bicomponente e na corrosão de liga de aumínio 3105
(2021-06-29)
Aluminum and its alloys constitute one of the most important non-ferrous metal used in different segments of the industry due to their physico-chemical properties, such as low specific weight, high thermal conductivity and ...