For water soluble substances the anions are determined quantitatively by means of ion chromatography. In addition to TFA and acetate, fluoride, chloride, bromide, nitrate, sulfate and phosphate can be determined. The standard deviations and ranges of the results are are dependent on the ion in question and are about +/-5% over a concentration range of 0.001 up to 35%.
Content of the anions [ppm], together with the LOD and LOQ of the analysis.
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