Marsh's test

American  

Or Marsh test

noun

Chemistry.

1. a test to detect minimal amounts of arsenic.

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Etymology

Origin of Marsh's test

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

Example Sentences

The above is called Marsh's test, and is so delicate that a mere trace of arsenic can be detected.

From An Introduction to Chemical Science by Williams, Rufus Phillips

The detection of arsenic in criminal cases is effected either by Reinsch’s test or by Marsh’s test, the urine being the secretion analysed when available.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various

Write the equations for all the reactions involved in Marsh's test for arsenic.

From An Elementary Study of Chemistry by McPherson, William

And Marsh’s test is very unmanageable with organic liquids on account of the uncontrollable frothing that takes place.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various