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pro vyhledávání: '"Prado, Alexandre G. S."'
Autor:
Prado Alexandre G. S.
Publikováno v:
Química Nova, Vol 26, Iss 5, Pp 738-744 (2003)
The fundamental concepts of the green chemistry are highlighted in order to present the enormous number of challenges to develop a new chemistry in research, industry and education. The practice of an environmental friendly chemistry are presented to
Externí odkaz:
https://doaj.org/article/0b2d71bb497c4ca88b22d20f89dc2e9f
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 12, Iss 4, Pp 485-488 (2001)
Agrochemicals have been used to eliminate different undesirable forms of life both in agriculture and in urban areas. The rural exodus and the increase of labor costs in the agricultural areas have induced a greater use of herbicides in crops, mainly
Externí odkaz:
https://doaj.org/article/f8b8595344584bcb9009e691a5ddf568
Autor:
Prado, Alexandre G. S.1 agspradus@gmail.com, Moura, Aline O.1, Andrade, Rômulo D. A.1, Pescara, Igor C.1, Ferreira, Valéria S.1, Faria, Elaine A.1, de Oliveira, Augusto H. A.1, Okino, Esmeralda Y. A.2, Zara, Luiz F.3
Publikováno v:
Journal of Thermal Analysis & Calorimetry. Feb2010, Vol. 99 Issue 2, p681-687. 7p. 2 Charts, 8 Graphs.
Autor:
Prado, Alexandre G. S.1 agsprado@unb.br, Airoldi, Claudio2
Publikováno v:
Analytical & Bioanalytical Chemistry. Jul2003, Vol. 376 Issue 5, p686-690. 5p.
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Publikováno v:
Química Nova, Volume: 33, Issue: 9, Pages: 1987-1990, Published: 2010
In addition to the usual advantage of an ice calorimeter of being able to measure slow heat changes, the instrument described here is extremely simple to construct and operate. Specific heat of aluminum, copper, lead and tin metals were determined us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______608::057f5e5ec78878dc9dc1da4527829ec2
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000900030&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000900030&lng=en&tlng=en
Publikováno v:
Química Nova, Volume: 28, Issue: 3, Pages: 544-547, Published: JUN 2005
The silica gel was obtained from sand and its surface was modified with POCl3 to produce Si-Cl bonds on the silica surface. Ethylenediamine was covalently bonded onto the chlorinated silica surface. The adsorption of the chlorides of divalent cobalt,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______608::d1e18e16b78e9f6c02bd61a93e770ba8
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000300030&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000300030&lng=en&tlng=en
Desenvolvimento de um sistema de filtração e titulação para determinação da acidez de ácidos húmicos
Publikováno v:
Química Nova v.22 n.6 1999
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 22, Issue: 6, Pages: 894-896, Published: DEC 1999
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 22, Issue: 6, Pages: 894-896, Published: DEC 1999
The acidity determinations method of humic acids (HA) content was developed by Schnitzer and Gupta and is a very well known procedure. Nevertheless, care is necessary to prevent measure errors due to non-controlled BaCO3 production, during the filtra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::30954e388fb2bfac48224d384ac721f3
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421999000600018
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421999000600018
Akademický článek
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