John Paul Bacongco Arellano

2 Questions 1 Answers 0 Followers

Questions related from John Paul Bacongco Arellano

At higher concentration of sulfuric acid, the lead content is lesser. Why is that?

I have a waste cupel as my sample, crush and grind to -100mesh. I have 2M, 3M, and 6M concentration. We observed that at 6M h2so4 has lower lead content than 3M. (I don't have the analysis for...

08 March 2015 762 4 View

What is the easiest way to expose the affected area of litharge in a ceramic material?

I have a cupel, waste cupel to be exact. I am trying to expose the area in the cupel where litharge absorbed. what is the easiest way in doing this?

26 August 2014 8,328 1 View