How to calculate Stoichiometry from ICP data.?

I did ICP for my sample, and i got Ni=135.42, Zn=232.78, Fe=721.73 mg/L. i want to know the exact concentration obtained. i have synthesized it as Ni0.4Zn0.6Fe2O4. please elaborate the method, as...

03 December 2016 6,157 6 View