讨论了颗粒形状和大小的表示、粒径测定、平均粒径和粒径分布的表征等问题;用实例比较了3种粒径分布较典型的乳液样品的各种平均粒径差异;根据粒子数计算公式的含义分析和统计平均粒径的物理意义,认为用于计算粒子数的平均粒径应为体均粒径.提出了有关的一些建议.
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