Science glossary film: Potash

The traditional name for water-soluble salts and minerals that contain potassium. By far the most important application for such compounds has been in producing fertilisers for agriculture. But they've also been valuable in the manufacture of explosives, glass, soap, and many other products.

By far the most important application for such compounds has been in producing fertilisers for agriculture. But they've also been valuable in the manufacture of explosives, glass, soap, and many other products.