Home > Term: Marsh test
Marsh test
A test for the presence of arsenic in a compound; the substance to be tested is mixed with granular zinc, and dilute hydrochloric acid is added to the mixture; gaseous arsine forms, which decomposes to a black deposit of arsenic, when the gas is passed through a heated glass tube. Also known as Marsh-Berzelius test.
- Part of Speech: noun
- Industry/Domain: Chemistry
- Category: Analytical chemistry
- Company: McGraw-Hill
0
Creator
- Dr. James
- 100% positive feedback