NEN-ISO 22412:2017 en

Deeltjesgrootteanalyse - Dynamische lichtverstrooiing (DLS)

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Over deze norm

Status Definitief
Aantal pagina's 34
Commissie Nanotechnologie
Gepubliceerd op 01-02-2017
Taal Engels
ISO 22412 specifies the application of dynamic light scattering (DLS) to the measurement of average hydrodynamic particle size and the measurement of the size distribution of mainly submicrometre-sized particles, emulsions or fine bubbles dispersed in liquids. DLS is also referred to as “quasi-elastic light scattering (QELS)” and “photon correlation spectroscopy (PCS),” although PCS actually is one of the measurement techniques. This document is applicable to the measurement of a broad range of dilute and concentrated suspensions. The principle of dynamic light scattering for a concentrated suspension is the same as for a dilute suspension. However, specific requirements for the instrument setup and specification of test sample preparation are required for concentrated suspensions. At high concentrations, particle-particle interactions and multiple light scattering can become dominant and can result in apparent particle sizes that differ between concentrated and dilute suspensions.


ICS-code 19.120
Nederlandse titel Deeltjesgrootteanalyse - Dynamische lichtverstrooiing (DLS)
Engelse titel Particle size analysis - Dynamic light scattering (DLS)



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