# Raschig ring

> type of random column packing used in chemical industry

**Wikidata**: [Q613458](https://www.wikidata.org/wiki/Q613458)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Raschig_ring)  
**Source**: https://4ort.xyz/entity/raschig-ring


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)