Abstract
A mass spectrometric method for the determination of chlorine, bromine and iodine species of humic substances (HS) has been developed by coupling a HPLC system with ICP-MS. Using size exclusion chromatography, the method was applied to the characterization of natural water samples (ground water, seepage water from soil, brown water) and a sewage water sample. Quantification of iodine/HS species was carried out by the on-line isotope dilution technique, which was not possible for bromine and chlorine species because of mass spectroscopic interferences by using a quadrupole ICP-MS. Characteristic fingerprints of the halogen/HS species, correlated with the corresponding UV chromatogram, were obtained dependent on the different origin of HS. Biological influences were indicated when following changes of the iodine/HS species composition by aging. The formation of iodine/HS species from inorganic iodide was investigated by labelling experiments with an 129I– spike solution, resulting in the finding that specific HS fractions are preferably iodinated.
Similar content being viewed by others
Author information
Authors and Affiliations
Additional information
Received: 21 February 1997 / Revised: 18 April 1997 / Accepted: 22 April 1997
Rights and permissions
About this article
Cite this article
Rädlinger, G., Heumann, K. Determination of halogen species of humic substances using HPLC/ICP-MS coupling. Fresenius J Anal Chem 359, 430–433 (1997). https://doi.org/10.1007/s002160050604
Issue Date:
DOI: https://doi.org/10.1007/s002160050604