溶度积是指难溶电解质尽管难溶，但还是有一部分阴阳离子进入溶液，同时进入溶液的阴阳离子又会在固体表面沉积下来，当这两个过程的速率相等时，难溶电解质的溶解就达到平衡状态，固体的量不再减少。这样的平衡状态叫溶解平衡，其平衡常数叫溶度积常数（即沉淀平衡常数），简称溶度积（英语：solubility product)。
溶度积常数 Ksp ; The Solubility-Product Constant Ksp ; [化学] solubility product constant
溶度积规则 the rule of solubility product ; The Solubility Product Rule
条件溶度积 conditional solubility product
溶度积常数和溶解度 solubility product constant and solubility
溶解度积 solubility product
表观溶度积 apparent solubility product
条件溶度积常数 conditional solubility product constant
溶解度积常数 solubility product constant
本文提出了条件溶度积常数的新概念。
In this paper, the new concept of the conditional solubility product constant has been put forward.
方法测定了苯妥英银凝胶的溶度积常数，研究了滴定的最优条件。
Methods The titration operating conditions were optimized and the solubility product constant of phenytoin silver precipitation was determined.
采用碘量法测定碘酸钙溶度积常数，方法十分简单，测定结果满意．。
This paper uses iodometry to measure solubility product of calcium iodate. Themethod is very simple, and the result is satisfactory.
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