Will guano help, or is sodium nitrate or potash the thing?

An immense well is located in this particular spot which gushes forth a never-ending saline solution, highly impregnated with sodium nitrate, potash and other salts.

E251: Sodium nitrate (used in curing items like sausages)

Sodium nitrate is also used in fertilisers and preservatives but it has been banned in Afghanistan for years.

Sodium nitrate, rapid inflection.

"You can mix the nitroglycerin with sodium nitrate and sawdust to make dynamite," Tyler says.

Sodium is also found in other forms in baking soda ( sodium bicarbonate) and in a product for curing meats ( sodium nitrate).

[Note 6: The precipitate must be washed with warm water until it is absolutely free from silver and sodium nitrates.

69) is used; but in the assay of sodium nitrate, nitroglycerine, &c., an instrument provided with a bulb having a capacity of 100 c.c.