Nano Science and Technology Institute
Nanotech 2014 Vol. 1
Nanotech 2014 Vol. 1
Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
Chapter 6: Nanoscale Materials Characterization

Use of Single Particle Inductively Coupled Plasma Mass Spectrometry to Characterize a New Silver Nanoparticle Reference Material

Authors:K.E. Murphy, J. Liu, W.F. Guthrie, J.M. Gorham, J.E. Bonevich, A.J. Allen, M.R. Winchester, V.A. Hackley, R.I. MacCuspie
Affilation:National Institute of Standards and Technology, US
Pages:501 - 504
Keywords:single particle ICP-MS, silver nanoparticles, reference material, particle size, stability
Abstract:In this study we use a conventional inductively coupled plasma mass spectrometer operated in single particle mode (spICP-MS) to simultaneously characterize the size distribution and dissolved silver fraction of a new candidate silver nanoparticle reference material (NIST RM8017). The candidate RM8017 was prepared as a lyophilized cake of PVP and nominally 75 nm AgNPs that can be reconstituted as a suspension by the addition of deionized water. Particle size distributions obtained via spICP-MS will be compared with transmission electron microscopy (TEM), atomic force microscopy (AFM), and ultra-small angle X-ray scattering (USAX) size measurements. Data on the stability of reconstituted RM8017 stored at 4 oC will be presented.
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