Issue Information
روزنامه با شماره پیاپی سال 2001
Pages
-70
From page
71
To page
0
Abstract
A spectrofluorimetric determination of sulfite based on the co-quenching effect of sulfite and formaldehyde on the fluorescence of a red-region dye, tetra-substituted amino aluminum phthalocyanine (TAAlPc), is described. The relationship between the fluorescence quenching of TAAlPc and the concentration of sulfite is linear over the concentration range of 8240ngml-1 under optimum conditions. The 3sigma limit of detection is 3ngml-1 and the relative standard deviation of six replicate measurements is 3.5% for solution containing a 160ngml-1 sulfite. The possible reaction mechanism is also discussed. This method has been successfully applied to the determination of sulfite in VK3 injections and sugar.
Journal title
Analytica Chimica Acta
Serial Year
2001
Journal title
Analytica Chimica Acta
Record number
49678
Link To Document