Chemiluminescence Determination of Sulfur Dioxide in Air Using Tris(1,10-Phenanthroline)Ruthenium−KIO4System
- 1 January 1999
- journal article
- research article
- Published by Taylor & Francis in Analytical Letters
- Vol. 32 (2) , 401-410
- https://doi.org/10.1080/00032719908542828
Abstract
The emission produced by sulfite in its oxidation by periodate in acidic solution in the presence of Ru(phen)3 2+ is used to determine 1.0x10−7 to 1.5x10−4 mol/L sulfite. The limit of detection is 7x10−10 mol/L and the relative standard deviation is 2.3% for a 4x10−5 mol/L sulfite solution (n=9). The method was applied satisfactorily to the determination of sulfur dioxide in air by using triethanolamine (TEA) as absorbent material.Keywords
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