Purchasing typically requires verification of professional use. Medical-grade gas is specifically regulated. Medical-grade Nitrous Oxide Supply - Airgas
: An IGSD Primer focusing on the gas's role as a potent greenhouse gas and its industrial footprint. Where to Buy (Industrial & Medical) buy nitrous oxide gas
If you are looking for a comprehensive "paper" or technical overview of the gas, these authoritative sources cover its properties, production, and safety: Comprehensive Overview of these authoritative sources cover its properties