| For weeks it was soaked in a solution of natron and then it was filled with pitch. |
| Once, while staying with Kondratiev at Nizy, the local doctor had recommended him natron water. |
| Four of the oldest monasteries in the world still survive in the natron Valley. |
| The natron also dissolves the flesh, so that nothing remains but the skin and bones. |
| The soda was imported from the eastern Mediterranean in a form called natron. |
| Behind her, in baskets were ivory tusks, gold, blocks of incense, natron salts and uncut precious stones. |
