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本文认为H_2~+体系受外力作用快速飞行时,两个原子核间的距离可能大于自由H_2~+离子两个核间的平衡间距1.06×10~(-10)米。据此,建立起氢的稳定折合离子概念和计算方法,并预言在氢的质谱图上应该有质荷比为0.5,2.2和1的稳定折合离子谱峰,并取得了实验证据,测定了稳定折合离子与进样压强间的关系曲线;指出了由于存在氢的稳定折合离子,质谱法测定氢的原子量时需要做稳定折合离子谱峰修正。
In this paper, the distance between two nuclei may be larger than the equilibrium distance of 1.06 × 10 ~ (-10) m between two nuclei of free H_2 ~ + ions when H_2 ~ + system is rapidly flown by external forces. Based on this, the concept and calculation method of stable stoichiometric ions of hydrogen are established and it is predicted that there should be stable ion-exchange peaks with mass-to-charge ratios of 0.5, 2.2 and 1 on the mass spectra of hydrogen, and experimental evidence is obtained. It is pointed out that due to the existence of stable hydrogen ions, mass spectrometry should be used to correct the atomic peak of the stable ion.