the firs ancient saltworks operation(more than 8000 years) has been discovered at the Poiana Slatinei archaeological site next to a salt spring in Lunca, Neamţ County, Romania. Evidence indicates that Neolithic people of the Precucuteni Culture were boiling the salt-laden spring water through the process of briquetage to extract the salt as far back as 6050 BC.[9] The salt extracted from this operation may have had a direct correlation to the rapid growth of this society's population soon after its initial production began
The first record production of salt was in China in 6,000 B.C. Salt was also an important item for trade in the 5th Century B.C.
It is unknown who first used salt. It is known that it has been in use since before history was documented.
The Romans used rock salt gathered from brine springs. It was rediscovered around 1670 by a family looking for coal.
Salt has been used to preserve food for thousands of years; it was probably the first preservative. So technically there's no way to to know when this method started.
Very probable the first humanoids discovered that the sea water is salted.
bulldog
because the sodium chloride is salt and we use it in the roads because the salt melt the ice
The Salt Roads was created in 2003.
make it rust more
how does salt help roads not freeze
salt melts all ice thus clearing the roads for transport
because the sodium chloride is salt and we use it in the roads because the salt melt the ice
The salt used on icy roads in winter is quarried from underground salt deposits (salt mines), which are the remains of ancient salty seas. Salt is not extracted from fresh water.
for melting ice on roads and sidewalks.
The Salt Roads was created in 2003.
Actually table salt is better for the roads and it melts the ice faster.---------------Chemically this is without any importance; but for roads is used rock salt (impure NaCl) and nobody dispels table salt (as food additive).Also the price difference is enormous.
You can put salt on many foods. or, Salt is used to melt ice on roads and sidewalk.
to melt ice on the roads
The Salt Roads has 394 pages.
The best is calcium chloride; but because this is expensive rock salt is used.
There are salt mines in northern Ireland,where a large amount of the salt which is used to grit British roads comes from.
yes they do i was raised up there and they used salt on them all that time and i am 57 now
The ISBN of The Salt Roads is 0-446-53302-5.