TURMERIC PAPER Definition & Meaning

turmeric paper

noun

paper treated with turmeric: used to indicate the presence of alkalis, which turn it brown, or of boric acid, which turns it reddish-brown.

turmeric paper

noun

chem paper impregnated with turmeric used as a test for alkalis, which turn it brown, and for boric acid, which turns it reddish brown

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�y��vlog History and Origins

Origin of turmeric paper¹

First recorded in 1800–10

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Example Sentences

Examples have not been reviewed.

Its action upon turmeric is characteristic; a turmeric paper moistened with a solution of boric acid turns brown, the colour becoming much darker as the paper dries; while the addition of sodium or potassium hydroxide turns it almost black.

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Before the blow-pipe, this species of calculus expands into a kind of white efflorescence, which, when moistened and brought into contact with turmeric paper, stains it red.

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Dissolve the residue in a small quantity of hot water and moisten a piece of turmeric paper with the solution.

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In India they inhale the fumes of burning turmeric paper for coryza, and with good effect according to the testimony of Dr. Waring.

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Turmeric paper is prepared by impregnating unsized paper with this tincture, and then drying.

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