NOTE: You can exchange the KOH for NaOH. BTW I call it "Providone-iodine" instead of Povidone-iodine in the video. Sorry, not sure ... just have "Providone" stuck in my head.
In this ...
Use common chemicals to extract Iodine from Povidone-io
by HappyBerry Crochet
by Dimple Anand
by Mrs. Erica
by Kelly Donovan Knittingandthings