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
The anion of methyl orange, In−, is yellow, and the nonionized form, HIn, is red.
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
If borax is present the carbon dioxide is boiled off after neutralizing exactly to methyl orange; cool, add mannite and phenolphthalein and titrate the boric acid with standard alkali.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
About 7-8 grammes of the sample are dissolved in water, and made up to 100 c.c., and the total alkalinity determined by titrating 20 c.c. with N/1 acid, using methyl orange as indicator.
From The Handbook of Soap Manufacture by W. H. Simmons
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