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首页> 外文期刊>Technical physics letters: Letters to the Russian journal of applied physics >Small-angle light scattering spectra of disperse particles suspended in absorbing liquids
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Small-angle light scattering spectra of disperse particles suspended in absorbing liquids

机译:悬浮在吸收液中的分散颗粒的小角度光散射光谱

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摘要

The spectra of small-angle light scattering (SALS) by disperse particles suspended in an absorbing liquid have been numerically simulated using the Mie theory and measured in a wavelength range from 190 to 1100 nm. It is established that the SALS spectra contain regions sensitive to the size and polydispersity of particles with radii ranging from 0.4 to 30 mu m. Using the joint processing of SALS and transmission spectra measured using a double-beam spectrophotometer with a modified optical scheme, it is possible to determine the parameters of particles suspended in the absorbing liquid. Data for model suspensions of polystyrene latex particles are presented.
机译:通过使用米氏理论对悬浮在吸收液中的颗粒进行分散而产生的小角度光散射(SALS)光谱进行了数值模拟,并在190至1100 nm的波长范围内进行了测量。可以确定的是,SALS光谱包含对半径为0.4至30μm的粒子的大小和多分散性敏感的区域。使用SALS和使用具有改进的光学方案的双光束分光光度计测量的透射光谱的联合处理,可以确定悬浮在吸收液中的颗粒的参数。给出了聚苯乙烯胶乳颗粒模型悬浮液的数据。

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