Characterization of Adsorbable Organic Halogens (AOX) by ion chromatography and inductively coupled plasma-mass spectrometry

Authors

  • Concepcion S. Mendoza Chemistry Department (Water Laboratory), University of San Carlos, Cebu City
  • Gudrun Abbt-Braun Water Chemistry Division, Engler-Bunte Institute, Karlsruhe University (TH)
  • Fritz H. Frimmel Water Chemistry Division, Engler-Bunte Institute, Karlsruhe University (TH)

DOI:

https://doi.org/10.26534/kimika.v19i1.23-28

Keywords:

organic halogens, ion chromatography, inductively coupled plasma-mass spectrometry

Abstract

The 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.

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Published

2003-06-01

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

Issue

Vol. 19 No. 1 (2003)

Section

Research Articles

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