The factors affecting the accuracy of precipitation titration in capacity analysis and its elimination were described. References and the principle of solubility product were used for further explanation of the factors to improve the accuracy of precipitation analysis.%阐述对容量分析中沉淀滴定法准确度的影响因素及消除，引用参考文献及溶度积原理对影响因素进一步阐述，提高沉淀分析的准确度。
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