Sistema de injeção em fluxo espectrofotométrico para monitorar peróxido de hidrogênio em processo de fotodegradação por reação foto-Fenton
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
20/05/2014
20/05/2014
01/04/2001
|
Resumo |
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) A flow injection spectrophotometric system was projected for monitoring hydrogen peroxide during photodegradation of organic contaminants in photo-Fenton processes (Fe2+/H2O2/UV). Sample is injected manually in a carrier stream and then receives by confluence a 0.1 mol L-1 NH4VO3 solution in 0.5 mol L-1 H2SO4 medium. The product formed shows absorption at 446 nm which is recorded as a peak with height proportional to H2O2 concentration. The performance of the proposed system was evaluated by monitoring the consumption of H2O2 during the photodegradation of dichloroacetic acid solution by foto-Fenton reaction. |
Formato |
188-190 |
Identificador |
http://dx.doi.org/10.1590/S0100-40422001000200007 Química Nova. Sociedade Brasileira de Química, v. 24, n. 2, p. 188-190, 2001. 0100-4042 http://hdl.handle.net/11449/25902 10.1590/S0100-40422001000200007 S0100-40422001000200007 S0100-40422001000200007.pdf |
Idioma(s) |
por |
Publicador |
Sociedade Brasileira de Química |
Relação |
Química Nova |
Direitos |
openAccess |
Palavras-Chave | #hydrogen peroxide #flow injection analysis #foto-Fenton |
Tipo |
info:eu-repo/semantics/article |