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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Sociedade Brasileira de Química
2002-01-01
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Series: | Química Nova |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000300003 |