Ibrahim Alghoraibi

7 Questions 41 Answers 0 Followers

Questions related from Ibrahim Alghoraibi

What the exact definition about this heat treatment process: 1. Sintering 2. Annealing 3. Calcination ?

In my understanding, sintering process is used for the first stage in the material processing to cyrstallize the related material. The initiate state can be amorphous to form crystal...

07 July 2019 4,939 2 View

What are the differences between Colloidal Silver and Ionic Silver?

It’s important to understand the difference between colloidal silver and ionic silver. I think Ionic silver changes to Colloidal Silver after storage ?

11 November 2018 2,072 0 View

Can graphene be used in solar cell construction?

08 August 2018 8,865 0 View

What is the difference between crystallite size, particle size and grain size?

Is the size calculated by Scherrer's Equation is nanocrystalline or nanoparticle ?

04 April 2018 2,211 0 View

How prevent the aggregation of nanoparticles in solution?

Aggregation of nanoparticles is a serious problem for metallic and non- metallic nanoparticles. What the reasons of aggregation and what the ways used to avoid aggregation ?

04 April 2018 7,700 0 View

What is the zeta potential of colloids?

What the type of solvent (deionised , distilled water or….) used for measuring zeta potential of colloids? . I am getting zeta potential value of about -17 mV for distilled water. What is a minus...

03 March 2018 3,875 2 View

How do I calculate nano silver grain size in solution ?

Note that we have only the visible absorption spectra

01 January 1970 9,607 6 View