I need to determine the concentrations of thiosulfate, sulfate, trithionate, tetrathionate and pentathionate in aqueous solutions. I would like to know the alternative methods available to analyze those species except HPLC.
Mrs/Miss Ilankoon,
By means of MS.
Sulphate by gravimetric analysis or spectrophotometric
Thiosulphate by volumetric using redox titration (iodometry)
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