Malvern FAQ -- KB000090 Q: What does obscuration mean? A: This is a measure of the amount of sample added to the dispersant. It is usual to use an obscuration in the region of ten to twenty percent, although this is dependant upon the scattering properties of the particles. 马尔文常见问题解答——KB000090号 问:遮光度是什么意思? 答:遮光度是表示分散介质中所含样品数量多少的一种度量。遮光度的取值范围依赖于颗粒的散射特性,我们通常所用遮光度的范围是百分之十到二十。