Determination of nanogram amounts of bromide and chloride by molecular emission cavity analysis based on gallium halide emission |
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| Authors: | Z.M. Kassir,A.A.H. Ta&#x obi,A.T. Al-Samaraie,T.A.K. Nasser |
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| Affiliation: | Department of Chemistry, College of Science, University of Basrah, Basrah Iraq;Department of Chemistry, College of Education, University of Basrah, Basrah Iraq |
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| Abstract: | By measuring the GaBr emission enhanced by iodide at 350 nm in a carbon cavity heated by a hydrogen/argon flame, 0–60 ng of bromide is determined with a detection limit of 0.5 ng μl?1. In a similar way, gallium (0–20 ng) can be determined with a detection limit of 0.15 ng μl?1. Interferences are reported. Chloride (0–1200 ng) is determined by means of GaCl emission; the detection limit is 50 ng μl?1. |
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