Método colorimétrico para determinação de dióxido de nitrogênio atmosférico com preconcentração em coluna de c-18

An alternative analytical method for nitrogen dioxide (NO2) in atmosphere was developed. The collection of NO2 is performed by a Sep-Pack C-18 cartridge impregnated with 11% (v/v) of triethanolamine plus 3,6 % (v/v) of ethylene glycol plus 25 % (v/v) of acetone combined solution. When the impregnati...

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Bibliographic Details
Main Authors: Ugucione Cássia, Gomes Neto José de Anchieta, Cardoso Arnaldo Alves
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2002-01-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000300003