Development of the 100 nm Monodisperse Size Standard Particles: Accurate Determination of Number Average Diameter and Size Distribution Width of the Polystyrene Latex Particles with a Differential Mobility Analyzer

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  • Takahata Keiji
    National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST)
  • Sakurai Hiromu
    National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST)

Bibliographic Information

Other Title
  • 100 nm単分散粒径標準粒子の開発：微分型電気移動度分析器を用いたポリスチレンラテックス粒子への個数平均径および粒径分布幅の高精度値づけ
  • 100nmタンブンサン リュウケイ ヒョウジュン リュウシ ノ カイハツ : ビブンガタ デンキ イドウド ブンセキキ オ モチイタ ポリスチレンラテックス リュウシ エ ノ コスウ ヘイキンケイ オヨビ リュウケイ ブンプハバ ノ コウセイドチズケ

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Description

<p>The certified reference material NMIJ CRM 5721-a has been developed for use in the calibration and control of the precision of particle size measuring instruments including a differential mobility analyzer (DMA). This CRM is provided as a water suspension of monodisperse polystyrene latex (PSL) particles. The certified values for number average diameter and particle size distribution width of PSL particles are 100.5 nm±2.6 nm (the number following the symbol±indicates the expanded uncertainty with a coverage factor of 2) and 2.4 nm±1.0 nm, respectively. The certified values are determined by the electrical mobility analysis with a DMA, and are metrologically traceable to the International System of Units (SI), expressed as nanometeres. Having the particle size distribution width as a certified value is one of the notable features of this CRM. This CRM can be used not only for size calibration but also for validation of sizing resolution.</p>

Journal

  • Earozoru Kenkyu

    Earozoru Kenkyu 36 (2), 123-128, 2021-06-20

    Japan Association of Aerosol Science and Technology

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