how to make potassium iodide

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{"cid":"91178288","title":"NEWSTAR Potassium Iodide Starch Test Paper 100 Strips\/Box For Detection Of Oxidizing Agents Laboratory Chemical Test Strips","imgUrl":"https:\/\/img.chinax.com\/nimg\/d7\/e4\/5aa8338195e8964f28a436b90d1f-200x200-1.jpg","attrs":{"Price":"$0.80-0.84","Brand Name":"YIERYI","Minimum Order Quantity":"10","Type":"Potassium iodide starch test paper","Accuracy Class":"High Accuracy","Accuracy":"0","Place of Origin":"Guangdong, China","Application":"Chlorine, Bromine, Nitrogen Dioxide","customized support":"OEM","power":"0","Protection Class":"IP55","Voltage":"Other"}}