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Brown-ring test
A common qualitative test for the nitrate ion; a brown ring forms at the juncture of a dilute ferrous sulphate solution layered on top of concentrated sulfuric acid if the upper layer contains nitrate ion.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Chemistry
- Category: Analytical chemistry
- Company: McGraw-Hill
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