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Cyanide reaction with ninhydrin: the effect of pH changes and UV-Vis radiation upon the analytical results

Domenii publicaţii > Chimie + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Mihaescu, I. M., Drochioiu, G.

Editorial: Rev. Roum. Chim., 54(10), p.841-845, 2009.

Rezumat:

Cyanide reaction with ninhydrin has been recommended for instant detection of small traces of cyanide (detection limit 1.5 ng ml-1). However, pH and UV and visible light might induce errors. Therefore, we investigated the effect of pH, UV and visible radiation on cyanide reaction with ninhydrin in order to increase the method robustness. Cyanide can be determined with ninhydrin either at 485 nm or 590 nm, without any color interference.

Cuvinte cheie: Cyanide determination, pH effect, UV-Vis, ninhydrin reaction