Nano Science and Technology Institute
Nanotech 2010 Vol. 1
Nanotech 2010 Vol. 1
Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites
Chapter 1: Nanoscale Materials Characterization

Evaluation of Uncertainty in Nanoparticle Size Measurement by Differential Mobility Analysis

Authors:C.M. Lin, T.C. Yu, S.H. Lai, H.C. Ho, H.F. Weng, S.H. Wang, C.J. Chen
Affilation:Center for Measurement Standards, Industrial Technology Research Institute, TW
Pages:160 - 163
Keywords:nanoparticle size, measurement uncertainty, differential mobility analysis
Abstract:This paper presents the measurement results and the uncertainty analysis for four batches of polystyrene latex (PSL) spheres with nominal sizes of 20 nm, 100 nm, 300 nm and 500 nm using the measurement system which differential mobility analysis (DMA) method is applied. The possible error sources are evaluated based on the DMA method and the measurement procedures. The resulting expanded uncertainties are 1.3 nm for the 20 nm particles and 13 nm for the 500 nm particles at 95% confidence interval.
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