Aditya Chauhan

6 Questions 96 Answers 0 Followers

Questions related from Aditya Chauhan

Is it possible to precipitate Barium from an aqueous solution (nitrate etc) using urea?

I am trying to control the shape and morphology of barium oxide powders through co-precipitation method and a capping agent. I am limited in the choice of solvent (water) and the method (co-ppt)....

13 November 2020 803 4 View

Low temperature synthesis for heterojunction formation in nanoparticles?

I recently came across several articles like this one https://pubs.rsc.org/en/content/articlepdf/2018/cp/c7cp06274e in which the authors simply mix the powders in a solution and evaporate it to...

06 March 2019 888 2 View

Is there a quantitative color test for the presence of urea in a solution ?

I am trying to co-relate the change in concentration of urea in a solution over time using UV-Vis spectrophotometry. Unfortunately, the absorbance peak for the same lies below the detection...

20 July 2018 7,567 3 View

Alternative to ethanol wash for removal of surface water from precipitates ?

When preparing Zirconia from zirconyl chloride and precipitating using ammonium hydroxide, ethanol wash is essential to remove chemisorped water on the surface of precipitates. Is there an...

20 July 2017 919 0 View

Amorphous TiO2 turning black after heat treatment ?

I have prepared some TiO2 monodisperse particles through controlled hydrolysis of precursor Titanium (IV) n-butoxide, dissolved in ethanol. The particles formed are spherical and amorphous...

16 November 2016 6,379 7 View

Approximate value of refractive index for amorphous TiO2 ?

Dear all, I have made amorphous TiO2 particles using controlled hydrolysis of alkoxides dissolved in alcohols. In order to quickly determine the size distribution using the Zeta-sizer I need to...

01 January 1970 8,587 9 View