Because of its scarcity, high radioactivity, and high toxicity, there are currently no uses for protactinium outside scientific research, and for this purpose, It is mostly extracted from spent nuclear fuel.
Krana ipun kalangkaan nyané, radioaktivitas nyané sané tegeh, miwah toksisitasnya sané tegeh, rikala nénten wénten pawigunaan protaktinium ring jaba panelitian ilmiah, miwah antuk tatujon puniki, protaktinium makéhan kaékstraksi saking lad bahan bakar nuklir.