| Saffron, asafoetida, and the gum ammoniac plant, are indigenous in parts of it. |
| Sal ammoniac or ammonium nitrate when dissolved in water produce a much more marked cooling effect than does table salt. |
| They had made a chemical discovery while students in Edinburgh, discovering a way to make sal ammoniac, a chemical used in welding metal. |
| Ernest Rebecq Solvay invented the process of manufacturing sodium carbonate with ammoniac. |
| The refining of the raw material and the treatment with ammoniac compounds produces malodorous waste gases. |
| By putting an amalgam of sodium into the moistened cavity of the sal ammoniac, similar results are obtained. |
