Simplified electrocoagulation for efficient biodiesel washing water treatment
Biodiesel is commonly purified by washing with water, but its improper disposal poses serious environmental and economic issues
Open Access
SCIENTIFIC ARTICLES
Synthesis of a copper glycinate (II) Complex monohydrate
The coordinating compounds are basically characterized by an ion of a block d metal, called Lewis acid surrounded
Using waste as a tool for environmental education and chemistry teaching
The main objective of this work is to produce gypsum and ecological paint with residues of eggshells. Furthermore, we know that reuse
An efficient method to recycle and recover silver nitrate for genetic analyses
Silver nitrate (AgNO3) is a routine reagent in Laboratories of Molecular Genetics and Cytogenetics, thereby resulting in large amounts of residues.
Brazilian tungsten panorama (w) between 2008 and 2014
Minerals are natural chemicals, which have an orderly internal structure, and certain constant characteristics that allow
National panorama of niobium between 2010 and 2014
Mining is the extraction activity of a mineral good from the earth’s crust. Niobium (Nb) is element no. 41 in the periodic…
National silver panorama between 2010 and 2014
Having the name derived from the Latin word Argentun, silver (Ag) is a transition metal that has high electrical conduction and corrosion resistance
National iron panorama between 2010 and 2014
Mining is the activity carried out that aims to remove a mineral good from the earth’s crust, representing about 5% of Brazil’s GDP in 2014
Brazilian manganese reserve, production, market and consumption between 2010 and 2013
Usually found in a solid state, manganese (Mn) is a metallic substance, it is one of the most abundant elements of the earth’s crust
Naphthenic acids: detection and identification in petroleum
In recent years much of the oil reserves discovered in Brazil, this is heavy oil of low level API (< 20th)
The computer as a tool in the teaching and learning of biology and Chemistry: concepts and perspectives of Teachers and students at a public school of Sinop-MT
The 21st century, the era of globalization, where the information is obtained through a few mouse clicks exploring the universe called internet