Original scientific paper

Polarography Determination of Free Formaldehyde on Treated Cotton Fabrics

Drago Katović ; Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia
Ivo Soljačić ; Faculty of Food Technology and Biotechnology, University of Zagreb, 10000 Zagreb, Croatia
Gabriel Orji ; Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia
Ivan Piljac ; Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia

Abstract

Application of compounds which, on textile material, release small quantities of formaldehyde makes it necessary to develop an adequate analytical method. Polarography is one of the possible analytical methods to be used. This paper investigates the possibility of using an indirect DC polarographic method via semicarbazone, with direct extraction of formaldehyde in the polarographic cell.
Such a modified polarographic method is highly sensitive and selective, it makes it possible to measure small quantities of formal- hyde, while the maximum sample mass to be measured is around 0.2 g. Disturbances that presumably occur due to the presence of surface active agents on the textile material do not occur in the samples smaller than 0.2 g in 30 ml of the polarographic solution.

Keywords

Hrčak ID:

135939

URI

https://hrcak.srce.hr/135939

Publication date:

4.3.1996.

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