Characterization of Adsorbable Organic Halogens (AOX) by ion chromatography and inductively coupled plasma-mass spectrometry
Keywords: organic halogens, ion chromatography, inductively coupled plasma-mass spectrometry
AbstractThe halogen specific parameters AOCl, AOBr, and AOI in water can be determined by combining the standard AOX procedure (AOX_DIN) with off-line ion chromatography (IC) or inductively coupled plasma-mass spectrometry (ICP-MS) detection of the combustion products (Cl-, Br-, and I-) recovered from the AOX analyzer. The IC and ICP-MS methods gave good results with model systems. With IC, the minimum detectable concentrations are near 0.1 mg/L for CI- and Br, and 5.0 mg/L for I-, while with the ICP-MS method, the minimum detectable concentration is 0.0001 mg/L for CI-, Br- and I-. Quantitative recoveries of the organic Cl, Br, and I from different standard mixtures were obtained using the IC and ICP-MS methods. A good agreement between the conventional AOX_DIN and the described AOX_(IC or ICP-MS) were found.
How to Cite
Mendoza, C. S., Abbt-Braun, G., & Frimmel, F. H. (2003). Characterization of Adsorbable Organic Halogens (AOX) by ion chromatography and inductively coupled plasma-mass spectrometry. KIMIKA, 19(1), 23-28. https://doi.org/10.26534/kimika.v19i1.23-28
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