In ancient Egypt they used natron to dry out the mummies. Natron was what they put on the mummies skin for 40 days so that the body wouldn't rot.
Natron, is was a type of salt used to dry out the body.
Egyptians Used The Chemical Natron To Dry Out The Body And Prevent It Rotting Away
From dry lake beds.
natron
In dry lake beds. Also known as soda ash.
i think it was to preserve the body for a longer time. however im not totally sure.
they just dumped the natron off
It was generally found in the dry lake beds that had been left as a result of hydration and then recession of the water in the Nile Valley.The simple answer is "dried up lake beds."
salt More specifically, natron, which is a salty ash-like mineral in dry lake and river beds. This, specifically, is what the ancient Egyptians used in their preservation of bodies and organs.
They covered it with natron salt, melted resin, tree sap, and spices.
Dry air plus natron, a salt mixture.