Lotanna Ezeonu

3 Questions 6 Answers 0 Followers

Questions related from Lotanna Ezeonu

Should Colloids possess pH other than neutral?

Dear Friends, I see some folks reporting the pH of their nanoparticles (dispersed in water) and I'm wondering if it is right... Could it be that the pH is as a result of the remnant reagent from...

02 February 2019 4,144 4 View

Please can anyone suggest how one can recover metal nanoparticles immobilized on bare Si wafer?

I have tried submerging the gold nanoparticle immobilized substrate in a glass vial containing water and ultrasonicating for several hours but it doesn't seem to be effective. Could there be a...

01 January 2019 4,075 2 View

Method for dissolving Anodized aluminium oxide (AAO) membrane in a mild solvent (with pH between 4 - 9) without applying heat?

Please is it possible for AAO to dissolve in an acid/base with pH around 4-9 by mere leaving it in the acid/base for a long time or is there any other means through which I can get rid of AAO...

11 November 2018 8,045 1 View