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Marsh's test

American  
Or Marsh test

noun

Chemistry.

  1. a test to detect minimal amounts of arsenic.

Etymology

Origin of Marsh's test

After British chemist James Marsh (1794–1846), who described such a test in 1836

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.