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We have developed a simple, rapid, and sensitive method for the determination of iodate in iodized salt and water samples. The method is making use of shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) and is based on the oxidation of hydroxylammonium chloride by iodate to produce nitrite which then is used to diazotize with p-nitroaniline. The resulting diazonium ion is then coupled...
A simple, rapid and selective method based on diazotization-coupling reaction for determination of nitrite ion in complex samples using shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) was developed. Based on diazotization-coupling reaction, nitrite was transformed into azo dye, which has strong SHINERS activity. Subsequently the concentration of nitrite ion can be determined indirectly...
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