Study on the Constituents of Nickel Sulfide Assay Button

In order to understand the influence of changing contents of nickel and sulfur on the constituents of nickel sulfide button,six buttons of different collector charge were studied.The components were further confirmed by X-ray diffraction(XRD).The experimental results show that,the weight of the of button is mainly controlled by the content of nickel,the button contains mostly Ni3S2,and some NixS6 without any minerals of NiS,Ni3S4 or NiS2.The mineral variety does not change with different contents of nickel and sulfur,only the relative percentage of Ni3S2 and NixS6 alters.