also, in studies by the Iodine project docs, it was found that elemental Iodine is out of serum in two hours from ingestion, leaving only iodide. what they could not determine was whether this Iodine was absorbed by the tissues or converted to iodide. i suspect both.
point being, the body does convert it on its own. and as you pointed out, 100mg of Lugols is the same iodine content as 130mg of KI. taking 100mg of iodoral amounts to the same as 130mg of KI.