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7 Σεπ 2018 · The main method for this determination is based on volumetric analyses or WYD iodine checker. This work proposes an alternative approach for the quantification of iodine in table salt samples, that combine the good accuracy and precision obtained by titrimetric methods with the convenience of using a spectrophotometer, using just a polyurethane ...
Two samples were analyzed for iodide: a synthetic sea salt and an iodized table salt. Freshly prepared table salt contained 92.4 μg/L of iodide, or 46 μg/g of iodide in the dry salt. Figure 2 shows the determination of iodide in table salt using the Dionex IonPac AS20 column and conductivity and UV detections.
Different salt iodine test methods need to be used depending on the form of iodine (iodate or iodide) used in fortification. The iodometric method for iodate will not detect the iodine content of a salt sample fortified with potassium iodide, and vice versa.
Determine the performance of a laboratory spectrophotometric method and three single-wavelength spectrophotometric devices for quantifying iodine in salt against the standard iodometric titration method. Compare the analytical accuracy and precision, simplicity of use, and cost.
9 Σεπ 2013 · Iodine levels in salt, urine, milk and serum provide information on the key marks used in the assessment of iodine nutritional status in populations. Microplate reading method, which...
measuring iodine content in household salt have been an important monitoring tool for assessing the performance of salt iodization programmes. While iodine in the diet was previously assumed to come predominantly from household iodized salt, recent evidence suggests that an increasing amount of iodized salt is consumed through processed
15 Νοε 2013 · In the present work, a simple and rapid method for determination of iodate is described. Iodometric reaction between iodate, excess iodide, and acid has been used, and the iodine liberated is allowed to react with variamine blue (VB) dye in the presence of sodium acetate to yield a violet-colored species.