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