Medical Dictionary

Marsh test

noun \ˈmärsh-\

Medical Definition of Marsh test

  1. :  a sensitive test for arsenic in which a solution to be tested is treated with hydrogen so that if arsenic is present gaseous arsine is formed and then decomposed to a black deposit of arsenic (as when the gas is passed through a heated glass tube)

Biographical Note for marsh test



James Ernest

(1794–1846), British chemist. Marsh spent considerable time studying poisons and their effects. He introduced his test for arsenic in 1836.

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to cast off or become cast off

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