GB/T 45969-2025 Active National standards

GB/T 45969-2025 Particle characterization—Vocabulary

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45969-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Screening, sieve plates, and sieve nets

ICS Name: Granularity analysis and sieving

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Pages: 72 pages

Scope

This document defines the terms and definitions related to the characterization of particles and particle systems.
This document is applicable to the presentation of results of particle size analysis, the qualitative and quantitative description of particle shape and morphology, sample preparation, characterization of specific surface area and porosity, and various measurement methods for particle size distributions ranging from nanometers to millimeters (including sedimentation, grading, ultrasonic methods, laser diffraction, dynamic light scattering, single-particle optical methods, differential electrokinetic mobility analysis, image analysis, and other methods).