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当某种微量元素以类质同象存在于某种矿物中时,我们可以把它看作是该微量元素溶解在矿物中所构成的稀溶液.例如,方解石中的微量锶占据着属于钙离子的晶格位置,故可以看作是碳酸锶溶解在碳酸钙中所构成的稀溶液.如果微量元素分配在共存的矿物中,则同样可以认为是稀溶液,并服从亨利定律,可用分配定律描述其行为. 所谓分配定律,是指在一定温度、压力下,第三组分在两平衡液相间的浓度比值为一常数.
When a trace element exists in a mineral in the same way as a mineral, we can think of it as a dilute solution of the trace element dissolved in the mineral. For example, a trace amount of strontium in a calcite occupies a calcium ion Of the lattice position, it can be seen as a dilute solution of strontium carbonate dissolved in calcium carbonate.If the distribution of trace elements in the coexistence of minerals, the same can be considered as a dilute solution, and subject to Henry’s law, available distribution law description The behavior of the so-called distribution law, is a certain temperature, pressure, the third component in the two balance between the liquid phase concentration ratio as a constant.