XRD, tarkib e mavad-e mojood dar sample ke sakhtare crystaly darand ra neshan midahad (qualitative analysis). Be onvane mesal dar tajzie shimiyaei khordegiha mojood dar sathe STEEL shoma mitavanid tarkib-e mineral-ha ra dashte bashid, mesle: Hematite, lepidocrocite, akaganéite and magnetite. Dar in noe tajzie agar megdar sample be andazai-e kafi bashad nataij-e ha mitavand mizan (Mass%) har kodam az in mineral-ha ra ham neshan dahad (quantitative analysis). Baraie in noe tajzie, sample poodr migardad. Bar khalaf e in, MICRO XRD mitavand mostaghiman bar roie THIN SECTION ejra gardad. SEM (Secondary Electron Microscopy) be shoma tasvir bozorg shode nemone ra neshan midahad. Agar SEM hamrah ba EDS (Energy Dispersive X-ray micro-analysis system) bashad, shoma mitavanid be noe va megdar (Mass %) anasor (elements) mojod dar sample beresid. Be onvan mesal: Fe (98%), O (1%), Ni (4%)… Nataiej (results) be sorate Normalized hastand. SEM EDS is one of the best methods in study of alloys, inclusions and slags in metallurgy.