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Determination of bromide and iodide anions in water samples

INTRODUCTION

The method allows determination of bromide and iodide ions in natural, potable (incl. bottled), and mineral water using capillary electrophoresis (CE) method.

MEASURING METHOD

Measurement method is based on sample filtration and its subsequent separation in a fused silica capillary under the influence of the applied electric field. Identific ation and quantification of bromide and iodide ions is performed by registering their intrinsic absorbance at 200 nm wavelength.

MEASUREMENT RANGE

Measurement ranges of the analyzed anions in the samples are:

  • for bromide ions 0.05–100 mg/L,
  • for iodide ions 0.1–100 mg/L.

Chloride ions with mass concentration ratio 4000: 1 do not influence determination of bromide ions.

File
Determination of bromide and iodide anions in water samplesDownload application file
EQUIPMENT FOR ANALYSIS