ISO 22412:2017
Withdrawn
View Superseded by
Particle size analysis — Dynamic light scattering (DLS)
Hardcopy , PDF
English
02-06-2017
11-02-2025
ISO 22412:2017 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.
ISO 22412:2017 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.
| Committee |
ISO/TC 24/SC 4
|
| DevelopmentNote |
Supersedes ISO/DIS 22412 and ISO 13321. (02/2017)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes | |
| UnderRevision |
| Standards | Relationship |
| JIS Z 8828:2019 | Identical |
| BS ISO 22412:2017 | Identical |
| NEN ISO 22412 : 2017 | Identical |
| DS ISO 22412 : 2017 | Identical |
| IS 18514 : 2024 | Identical |
| SAC GB/T 29022 : 2012 | Identical |
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| PD ISO/TR 19716:2016 | Nanotechnologies. Characterization of cellulose nanocrystals |
| PD ISO/TR 10993-22:2017 | Biological evaluation of medical devices Guidance on nanomaterials |
| ASTM E 2834 : 2012 | Standard Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Nanoparticle Tracking Analysis (NTA) |
| ISO 26824:2013 | Particle characterization of particulate systems — Vocabulary |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
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| ISO 9276-2:2014 | Representation of results of particle size analysis — Part 2: Calculation of average particle sizes/diameters and moments from particle size distributions |
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