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20 feb 1836 anni - James Marsh

Descrizione:

James Marsh (2 September 1794 – 21 June 1846) was a British chemist who invented the Marsh test for detecting arsenic. Published the march test in about 1836.

Aggiunto al nastro di tempo:

Data:

20 feb 1836 anni
Adesso
~ 189 years ago