Al % Standerds preperation in total weight 8.8 g to calbrate in XRF machine , and use it to quality controle laboratory ?

Dears , Please I need your urgent support to explain how can I calculate the Al2O3 weight required to prepare Al % standard in total weight 8.8 g ? For example : if I need to prepare 0.2 % Al...

12 June 2019 454 2 View