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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 ...
Elaboração de uma lista de verificação de segurança em laboratórios químicos
(2021-07-12)
Chemical safety aims at the prevention of exposure to chemical risks due mainly to the transportation, handling and storage of chemical products. The development of the research is based on raising situations that should ...
Avaliação da aplicação de extratos de guaco (Mikania laevigata) contendo cumarinas na revelação de impressões digitais latentes
(2021-05-12)
Fingerprints are one of the most common features in identifying necessary, due to their simplicity. Among the most conventional techniques for developing latent fingerprints, is powdering. For this, they use small-size ...
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 ...
Autenticidade e controle de qualidade de sucos de uva utilizando Ressonância Magnética Nuclear 1H – metabolômica aplicada a avaliação de adulteração
(2021-05-12)
The production of whole juices ready for consumption is booming, considering that the healthy eating and concern for health and personal well-being has become a worldwide trend. Thus, these drinks have become a common ...
