Methyl Orange


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Related to Methyl Orange: phenolphthalein, Methyl red

Methyl Orange

 

(sodium ρ-dimethylaminoazobenzenesulfonate), a synthetic orange azo dye. It is used as an acid-base indicator in the titration with solutions of strong acids, and also to determine the pH of a medium. Methyl orange changes color from red to orange-yellow at a pH of 3.1–4.4.

References in periodicals archive ?
oxysporum EMT strain in triplicate at 30degC in a shaking incubator at 150 rpm for 7 days, different dyes (malachite green, methyl orange and Congo red) were added at concentrations of 50 and 100 mg/L and incubated at 30degC and 150 rpm continuously.
Methyl orange at a concentration of 50 mg/L was decolorized up to 87.
The cytotoxicity effect of the synthetic dyes (malachite green, methyl orange and Congo red) before and after decolorization by whole fungal culture containing laccase treatment was assayed using MTT assay test.
Considering Figure 4, the concentration changes for the hydrogenated methyl orange were calculated at a wavelength of 460 nm [31] with reference to the unhydrogenated methyl orange.
With the catalyst used, it is possible to perform the hydrogenation of methyl orange at lower temperatures (a little above room temperature) and atmospheric pressure.
Methyl orange (MO) is an organic compound which is commonly used as a dye in textile industries and is also used as indicator in acid base titration [2].
The aim of the present work is the removal of methyl orange form aqueous solution using polymer of intrinsic microporosity.
The absorption spectra of methyl orange at various concentrations are shown in Fig.
A similar effect of an increase in the interaction energy between the dye and the polymer due to the intercalation of the dye and the polymer has been reported for methyl orange and poly(3-benzyl-1-vinylimidazolium bromide) [3].
Tung, Rapid Degradation of Methyl Orange with Nanoscale Zerovalent Iron ParticlesJ.
Radiation-Induced Degradation of Methyl Orange in Aqueous Solutions, Chemo.
You Pen Chen, Shao-Yang Liu and Qian Rong Li, Radiation-Induced Degradation of Methyl Orange in Aqueous Solutions, Chemosphere 72, 532 (2008).