Sarang Bari

5 Questions 8 Answers 0 Followers

Questions related from Sarang Bari

What is the impact of frequency of ultrasonicator over the ultimate intensity of sonic waves in a solution?

I have changed the frequency slightly during my experiments, how should it affect on the intensity of sonication? Many publications said that it should remain same, while some reported that it...

06 November 2015 4,204 2 View

Why is there a need of dispersion only, not dissolution of nanoparticles in polymer matrix for preparing nanocomposites?

I am preparing Chitosan nanocomposites with calcium family nanofillers, but calcium is dissolving in acetic acid, the only best solvent for solution casting of chitosan. What should I do?

17 April 2015 6,846 2 View

Which is ideal solvent to store inorganic nanoparticles in solution?

After synthesis, nanoparticles tends to agglomerate in dried form, So we generally store them in solvent till use. It is ok? Water is the most commonly used solvent, do we have other choices to...

11 March 2015 5,346 4 View

What should be the quantity of surfactant for nanoparticle synthesis by reverse micelle?

I am using 0.002 M Triton-X100 as surfactant and cyclohexane as oil phase for synthesis of inorganic nanoparticle. How much I should add surfactant out of 100 ml solution prepared if precursor...

13 January 2015 8,790 7 View

How should I minimize the shrinkage of chitosan film after drying ?

My chitosan film made by solution casting is shrinking as it gets dry, this causes the formation of a non-uniform surface which is unsuitable for contact angle measurements. Are there any...

15 November 2014 483 13 View