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GB/T 19077-2016 in English

GB/T 19077-2016 in English

SUPERSEDED

Particle size analysis―Laser diffraction methods

  • Issued on:2016-02-24
  • Implemented on:2016-06-01
  • File Format:PDF
  • Delivery:Via email within 5 business days
Price(USD): $610.00
$592.00
Standard No: GB/T 19077-2016
Document status: SUPERSEDED
Superseded by: GB/T 19077-2024 Particle size analysis—Laser diffraction methods
Superseded on: 2025-05-01
Title in English: Particle size analysis―Laser diffraction methods
Title in Chinese: 粒度分析 激光衍射法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 5 business days
Issued on: 2016-02-24
Implemented on: 2016-06-01
Superseding: GB/T 19077.1-2008 Particle size analysis - Laser diffraction methods - Part 1: General principles
ICS Classification: 19.120-Particle size analysis. sieving
Chinese Classification: A28-Sieving, Sieve Plate and Sieve Screen
Professional Classification: GB-National Standard
Related Keywords: particle size distribution
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《GB/T 19077-2016粒度分析 激光衍射法》由TC168(全国颗粒表征与分检及筛网标准化技术委员会)归口,主管部门为国家标准化管理委员会。


Scope

This standard specifies particle size analysis methods for particle size distribution measurement by analyzing the light scattering properties of particles in various two-phase systems, including powders, sprays, aerosols, suspensions, emulsions, and bubbles in liquids. This standard applies to the particle size distribution measurement of particles with a particle size range of 0.1 μm to 3 mm, and is applicable to the performance evaluation of related instruments. Using some specially designed instruments and some auxiliary conditions, the particle size distribution range can be extended to below 0.1 μm or above 3 mm. This technique assumes spherical particles in the optical model, so for non-spherical particles, the reported particle size distribution is based on matching the theoretical value of the volume sum of the scattering pattern of spherical particles with the measured scattering pattern value, and the particle size distribution results may be different from those based on The results obtained by other physical principles such as sedimentation and sieving are different.

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