Assertion: iodide's iodine | /r/ObjectUse | used as the element
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text: Elemental iodine is used as a disinfectant either as the element, or as the water-soluble triiodide anion I 3 − generated in situ by adding iodide to poorly water-soluble elemental iodine (the reverse chemical reaction makes some free elemental iodine available for antisepsis).