Koushik Saikia

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Questions related from Koushik Saikia

Does alkaline condition result emulsification of Oleic acid in DMSO ?

It is known that Dimethyl Sulfoxide (DMSO) is a highly polar solvent. It is easily miscible with fatty acid like Oleic acid . My question is that does varying pH affect on the miscibility of ...

03 March 2016 4,946 4 View

How is Fe2+ oxidized to Fe3+ by DMSO?

Dimethyl sulphoxide (DMSO) is normally used in organic oxidation reaction. It can also oxidize ferrous salt to ferric. What is the stoichiometry of this oxidation reaction ?

03 March 2016 5,629 6 View

Can maghemite nanoparticles show any critical lowering of coercivity around a transition temperature like for magnetite (Verwey transition)?

It is known that magnetite transforms from cubic to monoclinic structure at a transition temperature (Verwey transition, Tv), where magnetic anisotropy and resistivity change abruptly . In the...

01 January 2016 1,606 2 View

Can magnetic nanoparticles align themselves on their own during solvent evaporation in absence of any magnetic field ?

It is known that magnetic nanoparticles can aligned themselves under the influence of external magnetic field during solvent evaporation. Is is possible to have chain formation of magnetic...

09 September 2015 1,483 12 View

How can the interparticle dipolar interaction affect the saturation magnetization ?

It is known that the saturation magnetization of any assembly magnetic nanoparticles depends on the average size of nanoparticles depending upon the type of the material. When we talk about the...

12 December 2014 3,182 8 View