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]. 2007 Sep. 1 [cited 2025 Jun. 19];4(3):475-81. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/827