International Standard
ISO 19430:2024
Determination of particle size distribution and number concentration by particle tracking analysis (PTA)
Reference number
ISO 19430:2024
Edition 2
2024-08
© ISO 2024
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Published (Edition 2, 2024)

ISO 19430:2024

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Format
CHF 173
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Abstract

This document specifies the particle tracking analysis (PTA) method under static (no flow) conditions for the determination of the number–based particle size distribution and the number concentration in liquid dispersions (solid particles, liquid droplets or bubbles suspended in liquids).

This document covers two tracking regimes.

— Brownian motion tracking for smaller particles.

— Gravitational fall tracking for larger particles.

This document outlines the theory and basic principles of the PTA method along with its limitations and advantages for both size evaluation and number concentration measurements. It also describes commonly used instrument configurations and measurement procedures as well as system qualifications and data reporting.

General information

  • Status
     : Published
    Publication date
     : 2024-08
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 42
  • Technical Committee :
    ISO/TC 24/SC 4
    ICS :
    19.120 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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