Food additives as healthy or unhealthy is a controversial topic in society today. Although associated with highly processed convenience foods, not all food additives are unhealthy, such as potassium iodide, which is added to salt to prevent thyroid diseases. With the Iodized Salt: Food Additive Demonstration—ChemTopic™ Lab Activity, demonstrate the presence of iodide in iodized salt by reaction with a strong oxidizing agent. Available as part of the Chemistry of Food—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.