The results of experiments show that only wet samples after washing and filtrating is available to get accurate analysis results of fine particle size distribution in precipitation slurry.

• 试验结果表明，只有对洗涤、过滤后的湿样进行分析，才能对分解浆样品中的细颗粒的粒度分布进行准确地分析，得到满足试验和生产过程控制精度的结果。