Theoretical and Experimental Evaluation of Particle size Effect of Iron , Cobalt ,and Nickel Powders Suspended in Al Dura oil on XRF Intensities. Baghdad Sci.J [Internet]. 2021 Mar. 10 [cited 2024 May 11];4(3):475-81. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/827