However, nowadays iodine is more commonly added in the form of potassium iodate (kio 3). The salt will turn light blue to dark violet depending on the iodine content of the salt Under adverse conditions of moisture, heat, and sunlight, the iodine content of salt iodized with potassium iodate remains relatively constant
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Articles from bulletin of the world health organization are provided here courtesy of world health organization.
Contrary to popular belief, iodised salt cannot be used as a substitute for potassium iodide (ki) to protect a person's thyroid gland in the event of a nuclear emergency
There is not enough iodine in iodised salt to block the uptake of radioactive iodine by the thyroid The iodine content in table salt is determined by direct titration with potassium iodate (kio 3) In acidic conditions, iodide ions (i −) in the sample react with potassium iodate to form iodine (i 2), which is detected potentiometrically using a platinum electrode. The optimum conditions for all color development are described and the proposed method has been successfully applied for the determination of iodate ion in table salt samples.
At the heart of iodised salt production lies potassium iodate (kio₃)—a stable and effective iodine compound that ensures the fortification of table salt with iodine.