Alaa A. El-Robi

3 Questions 2 Answers 0 Followers

Questions related from Alaa A. El-Robi

Can the size of TiO2 powder be redused if it was dissolved in NaOH then precipetated by HCL ??

Can the size of TiO2 powder be becreased if it was dissolved in 2.5 M NaOH, then Precipetated by 1 M conc. HCL, according to the following equations: TiO2 + 2NaOH = Na2TiO3 + H2O Na2TiO3 + 2HCL =...

10 September 2019 3,788 3 View

In a CuO NPs there was a second phase How can I get rid of it?

Hi everyone, I have synthesised a CuO nanoparticles via precepitation method using copper acetate salt and NaOH as precepitating agent, the XRD for the resulted powder show that most of it was CuO...

18 March 2019 9,439 0 View

How can I prepare aqueous methanol solution?

I need to make aqueous methanol solution of ZnCl2 and NaOH, but the problem is the amount of methanol and dis. H2O to be used if I want to prepare 100 ml for both ZnCl2 & NaOH ?? Thanks in...

10 October 2018 1,054 5 View