# protactinium-231

> isotope of protactinium

**Wikidata**: [Q18845514](https://www.wikidata.org/wiki/Q18845514)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Protactinium-231)  
**Source**: https://4ort.xyz/entity/protactinium-231


## References

1. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=91&n=140)
2. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=140&z=91)
3. [The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures](http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt)