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Image-sedimentation technique for particle size analysis
Alternative TitlePart. Part. Syst. Charact.
Ma, XH; Wan, MG
1997-12-01
Source PublicationPARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
ISSN0934-0866
Volume14Issue:6Pages:267-271
AbstractA method called "image-sedimentation", based on the application of Stokes' law to suspension and image techniques, is proposed for the rapid analysis of particle size distributions. A parallel beam of optical light, after passing through a cell containing particles, is measured with a linear image sensor with 2048 photodetectors to determine the attenuated light intensity displayed on a monitor screen. The settling height between any given point and the liquid surface can be measured accurately by use of this image technique without any additional mechanical device to move either the light beam or the glass cell containing the suspension. Consequently, the total time required for the determination of the particle size distribution, typically of a carborundum powder having a median diameter of 5 mu m, takes only 5 min as compared with more than 20 min by using other instruments based on the sedimentation principle.; A method called "image-sedimentation", based on the application of Stokes' law to suspension and image techniques, is proposed for the rapid analysis of particle size distributions. A parallel beam of optical light, after passing through a cell containing particles, is measured with a linear image sensor with 2048 photodetectors to determine the attenuated light intensity displayed on a monitor screen. The settling height between any given point and the liquid surface can be measured accurately by use of this image technique without any additional mechanical device to move either the light beam or the glass cell containing the suspension. Consequently, the total time required for the determination of the particle size distribution, typically of a carborundum powder having a median diameter of 5 mu m, takes only 5 min as compared with more than 20 min by using other instruments based on the sedimentation principle.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000071278400001
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5961
Collection研究所(批量导入)
AffiliationAcad Sinica, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Ma, XH,Wan, MG. Image-sedimentation technique for particle size analysis[J]. PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION,1997,14(6):267-271.
APA Ma, XH,&Wan, MG.(1997).Image-sedimentation technique for particle size analysis.PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION,14(6),267-271.
MLA Ma, XH,et al."Image-sedimentation technique for particle size analysis".PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION 14.6(1997):267-271.
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