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Particle size analysis — Laser diffraction methods
| 분야 | ISO/TC 24/SC 4 : Particle characterization |
|---|---|
| 적용범위 | This document provides guidance on instrument qualification and size distribution measurement of particles in many two-phase systems (e.g. powders, sprays, aerosols, suspensions, emulsions and gas bubbles in liquids) through the analysis of their light-scattering properties. It does not address the specific requirements of particle size measurement of specific materials. This document is applicable to particle sizes ranging from approximately 0,1 µm to 3 mm. With special instrumentation and conditions, the applicable size range can be extended above 3 mm and below 0,1 µm. For spherical and non-spherical particles, a size distribution is reported, where the predicted scattering pattern for the volumetric sum of spherical particles matches the measured scattering pattern. This is because the technique assumes a spherical particle shape in its optical model. For non-spherical particles the resulting particle size distribution is different from that obtained by methods based on other physical principles (e.g. sedimentation, sieving). |
| 국제분류(ICS)코드 | 19.120 : 입도 분석. 체가름 |
| 페이지수 | 59 |
| Edition | 2 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 13320:2020 | Particle size analysis — Laser diffraction methods | 2020-01-06 | 표준 |
| 2 | ISO 13320:2009 | Particle size analysis — Laser diffraction methods | 2009-09-18 | 구판 |
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