# potassium-40

> isotope of potassium

**Wikidata**: [Q2251076](https://www.wikidata.org/wiki/Q2251076)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Potassium-40)  
**Source**: https://4ort.xyz/entity/potassium-40


## References

1. potassium k-40. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=13966-00-2)
3. Potassium-40. PubChem
4. Freebase Data Dumps. 2013
5. potassium. ChemSpider
6. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=19&n=21)
7. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=21&z=19)
8. [The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures](http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt)
9. [Source](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=19&n=21)
10. BabelNet
11. UniChem