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A simple, rapid and accurate method for the determination of iodate in iodized common salts has been developed. The quantitative determination of iodate was accomplished by anion exchange chromatography with conductimetric detection. The method requires a sample pretreatment for the removal of large excess of chloride from the sample matrix. Onguard silver cartridges were found most suitable for this...
Permeation of different inorganic anions, namely, F−, Cl−, Br−, NO2−, NO3− and SO42− through NafionTM 117 ionomer membrane has been studied as a function of pH and salt concentrations in feed solution. At low pH, fluoride and nitrite ions showed higher permeation than other anions. This has been attributed to a higher association of HF and HNO2 in the membrane phase. Easy diffusion of the undissociated...
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