Marsh test

noun

: 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)

Dictionary Entries Near Marsh test

Cite this Entry

“Marsh test.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Marsh%20test. Accessed 25 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!