| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | aluminum nitrate | Europe | Aluminum nitrate is used in industrial processes and chemical reactions. | 1 |
| 2 | sodium nitrate | Europe | Used as a food preservative in processed meats | 1 |
| 3 | sodium nitrate | Europe | Used as a preservative in processed meats and cheeses, and not typically consumed directly. | 1 |