But in the works of the Swiss physician and alchemist Paracelsus (XVI century), you can find a detailed description of obtaining free arsenic in reaction with the egg shell.
Some historians attribute the primacy to the German scientist and alchemist Albert the Great (XIII century), but there is no strong documentary evidence for this. Who first identified this chemical element from natural compounds is for certain unknown. A bit of historyĪrsenic is considered one of the poisons, the mention of which has the oldest roots.
By the way, such cases were reflected in the annals of the Chinese people. Arsenic can be found in many minerals, in particular lead, copper, cobalt, zinc, silver and tin ores, where it easily passes into soil or water, so arsenic poisoning can be obtained even accidentally, for example, by drinking from a metal vessel containing particles poisonous substance. In nature, it can exist both in a free form and in a multitude of compounds, presenting a certain danger to living beings, since it is poisonous. The substance is an unstable semimetal and has a color reminiscent of steel with a greenish tinge. Arsenic is one of the elements of the periodic table, which has the serial number 33 and in Latin denoted as As (arsenicum).
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