Characterization and elimination of the interfering effects of foreign species in the atomic-absorption determination of iron |
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| Authors: | Abdallah A M El-Defrawy M M Mostafa M A Sakla A B |
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| Institution: | Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt. |
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| Abstract: | The inhibition-release titration method has been used to study interference effects in flame atomic-absorption determination of iron. Interferences from anions, cations and complexing agents with the atomic-absorption of iron when a stoichiometric air-acetylene flame is used, can be obviated by a preliminary treatment of the sample solution with sulphosalicylic acid to convert the iron into the same complex before aspiration, thus giving a constant environment for the iron in the flame processes. |
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