Francinaldo S. Braga

Physicochemical Characterization of Water Quality - Lagoa dos Índios in Macapá, Brazil

Josivan S. Costa, Francinaldo S. Braga, Sheylla Susan M. S. Almeida, Ryan S. Ramos, Daímio C. Brito, Alan C. Cunha & Cleydson Breno R. Santos · Chemical Science International Journal · 2014

Aims: To characterize relevant physicochemical parameters of water quality in an Amazonian tropical lake and compare them with the reference values of the Brazilian Resolution CONAMA 357/2005 and those recommended by the similar US-EPA law. In addition, to correlate statistically...

Open access Research Article 10.9734/ACSJ/2015/11705

Environmental Conception of Students of the 3rd Grade of High School on the Theme Water: A Case Study in the City of Calçoene-AP-Brazil

Cleydson Breno R. Santos, Rafaela de M. Guimarães, Nelma D. de Almeida, Francinaldo S. Braga, Luanny Maria A. Vidal & Josivan da S. Costa · Journal of Education, Society and Behavioural Science · 2015

Aims: To assess 50 students of the third grade of high school in a state school of the city of Calçoene-Amapá-Brazil on the concepts physico-chemical and biological characteristcs of water and environmental conception of the students on the subject. Place and Duration of Study: T...

Open access Research Article 10.9734/BJESBS/2015/16034