Determinação de nitrito em águas utilizando extrato de flores
Aspects of visible spectrophotometry can be presented to students using simple experiments in which the color of the crude extract of Macroptilium lathyroides (L.) Urb. is bleached in the presence of nitrite ions in acidic medium. The dependence of the absorption intensity with time, the reaction co...
Main Authors: | , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Sociedade Brasileira de Química
2006-01-01
|
Series: | Química Nova |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000500037 |