根据原子及离子中电子的行为与结合能之间的关系得到:结合能与颗粒粒径及离子价态均呈正相关。金微粒小至500nm左右时其结合能变至83eV。由此认为含金硫化物矿物XPS谱图上83eV附近的激发峰是由微包裹体金引起的。另据同质异能位移与离子s电子密度间的关系特征断定,“化学结合金”并非负价金;且由更准确的Allred-Rochow电负性数据判断,金不能类质同象取代硫。故可认为含金硫化物矿物中似不可能存在负价金。 According to the relationship between the behavior of the electrons in the atom and ion and the binding energy, the binding energy has a positive correlation with the particle size and ionic valence. Gold particles as small as about 500nm its binding energy change to 83eV. Therefore, it is considered that the excitation peak near 83eV on the XPS spectrum of gold-bearing sulfide minerals is caused by micro-inclusions of gold. According to the relationship between the isomorphic displacement and the ion density of electrons, the “chemically bound gold” is not a negative value; and as judged by the more accurate Allred-Rochow electronegativity data, the gold can not be isomorphically replaced by sulfur . It can be considered gold sulfide minerals seems impossible to exist negative gold.