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History of individual acids

Acids have been known to man for a long time. As early as 2000 BC, vinegar was used to flavour food. The Greeks and Romans used the refreshing effect of citrus fruits. This refreshment comes, among other things, from the citric acid contained in the fruit. These substances were not known as " acids " - pay people to do your homework in ancient times, but their acidic character and taste were highly appreciated.

In the 13th century, nitric and sulphuric acids were first mentioned in Byzantine writings. Their extraction was first described in 1250 by the alchemist Geber - do my online class for me . He obtained the former by "distillation" from the salts alum and vitriol, the latter mineral acid by adding saltpetre (potassium nitrate) to the salt mixture.

The acids, which were still called "pungent waters" in the Renaissance, became more and more economically important. The economic use of sulphuric acid did not begin until the middle of the 18th century. Its main areas of application were fabric dyeing and bleaching.

Nitric acid, on the other hand, was used for commercial purposes even earlier - solve chemistry problems . It was mainly used in the processing of precious metals. In Venice, for example, it was used as early as the 15th century to separate gold and silver.

Hydrochloric acid was discovered in the 16th century and Glauber was the first to describe its production in detail. Glauber recommended hydrochloric acid for various purposes, including seasoning food, but it did not acquire its great economic importance until the 19th century.

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