methyl orange
Americannoun
Etymology
Origin of methyl orange
First recorded in 1880–85
Example Sentences
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The equilibrium in a solution of the acid-base indicator methyl orange, a weak acid, can be represented by an equation in which we use HIn as a simple representation for the complex methyl orange molecule:
From Textbooks ● Feb. 14, 2019
When we add acid to a solution of methyl orange, the increased hydronium ion concentration shifts the equilibrium toward the nonionized red form, in accordance with Le Châtelier’s principle.
From Textbooks ● Feb. 14, 2019
The anion of methyl orange, In−, is yellow, and the nonionized form, HIn, is red.
From Textbooks ● Feb. 14, 2019
Free Carbonated Alkali.—The residue on the filter paper from the above determination is washed with hot water, and the aqueous filtrate titrated with N/10 acid, using methyl orange as indicator.
From The Handbook of Soap Manufacture by W. H. Simmons
Alkalinity of the Soluble Ash—Official Cool the filtrate from 9 and titrate with N/10 hydrochloric acid, using methyl orange as an indicator.
From All About Coffee by William H. (William Harrison) Ukers
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