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当一种微量元素或微量同位素作为一种次要成份出现在某种矿物、溶液或熔体中时,它符合享利定律,可以当作一种稀溶液来研究微量元素在不同相中的分配情况,以解决各种地质问题。(一)拍塞洛—奈恩斯特分配定律简单原理是:当外界条件(温度,压力)一定时,一种组分在二种平衡共存液相中的浓度比为一常数,而与该组分的绝对浓度无关。若以 x_α表示α相中的浓度,用x_β表示β相中的浓度,根据热力学原理,在任意温度时上
When a trace element or trace isotope appears as a minor component in a mineral, solution, or melt, it meets Henry’s law and can be used as a dilute solution to study the distribution of trace elements in different phases , To solve various geological problems. (1) The simple principle of the law of Samuel-Nienster distribution is that when the external conditions (temperature and pressure) are constant, the concentration ratio of one component in the two equilibrium co-existing liquid phases is a constant, The absolute concentration of the components is irrelevant. If x_α is the concentration in the α-phase, x_β is the concentration in the β-phase. According to the principle of thermodynamics, at any temperature