| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | strontium hydroxide | chemical industry | Used in the production of ceramics and pigments | 1 |
| 2 | strontium nitrate | chemical industry | Used in pyrotechnics to produce red color in fireworks | 1 |
| 3 | strontium nitrate | chemistry industry | Used in pyrotechnics and fireworks to produce a bright red flame | 1 |