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Sensitive reaction rate method for the determination of low levels of formaldehyde with photometric detection

Authors: Ali A Ensafi, S Abassi
Publication date: 1999/2/1
Journal name: Fresenius' journal of analytical chemistry
Volume: 363
Pages: 376-379
Publisher: Springer-Verlag
 
Abstract A simple and rapid method is proposed for the determination of ultra trace amounts
of formaldehyde. It is based on the catalytic effect of formaldehyde on the oxidation of
Brilliant cresyl blue by bromate. The reaction is monitored photometrically by measuring the
decrease in absorbance of the dye. Formaldehyde in the range of 0.005–2.300 μg/mL can
be determined with a limit of detection of 0.003 μg/mL. The relative standard deviation for ten
replicate measurements of 1.5 μg/mL formaldehyde is 0.1%. The method was used for the ...

 

Journal Papers
Month/Season: 
February
Year: 
1999

تحت نظارت وف ایرانی

Sensitive reaction rate method for the determination of low levels of formaldehyde with photometric detection | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی