Determination of Trace Amount of Iron with as-Triazine Containing Ferroin- Functional Group

Md. Musharraf Hossain, Md. Anwarul Islam, Shahida Begum, Maksuda Parvin

Abstract


The as-triazines containing iron(II) methine chromophoric group; 3-(2-pyridyl)-5,6-diphenyl-as-triazine (PDT), and 3-(2-
pyridyl)-5,6-bis(p-methoxyphenyl)-as-triazine (PBMPT) have been prepared from commercially available relatively
cheaper reagents. The absorptiometric characteristics of the iron(II) complexes with PDT and PBMPT have been reevaluated.
The interference of copper ion on the determination of iron with these selective reagents and its masking has also
been studied. The application of these spectrophotometric reagents for determination of iron in water samples based on the
formation of extractable PDT-iron(II) and PBMPT-iron(II) complexes in chloroform medium has been described. Standard
addition technique was used to verify the reliability of the method. Repeated determinations gave results with a very small
standard deviation.


Keywords


Spectrophotometric, iron determination, ferroin-functional group

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Dhaka University Journal of Science ISSN 1022-2502 (Print) 2408-8528 (Online)