Emenike Okonkwo

3 Questions 6 Answers 0 Followers

Questions related from Emenike Okonkwo

Can plant extracts or essential oils be used as organic reagents for the recovery of transition metals like Cobalt?

Extract from plants have been extensively used to synthesize metallic and non-metallic nano-particles. However can they be used as eco-friendly materials for the recovery of toxic metals? Can...

23 January 2020 502 5 View

Is there any acid or base from plants that is strong enough to etch metals?

I am looking for an organic acid that can be obtained naturally from plant of which can be used for etching or part of a mixture for etching metals. Lime juice is naturally acidic but I am...

12 March 2019 9,392 4 View

Step Quenching to develop multi-phased steel?

Is it possible to quench a steel sample from a 800 degrees celsius to 300 degrees celsius within a time frame less than 100 seconds by placing taking it out and placing it in another furnace whose...

09 August 2016 6,495 4 View