GB/T 21649.2-2025 "Particle size analysis, image analysis method, Part 2: Dynamic image analysis method" stipulates the principle, equipment, sample preparation, test procedure and result processing of particle size analysis using dynamic image analysis method. As part of the series of standards for particle size analysis image analysis method, it provides a unified technical basis for the determination of particle size under dynamic conditions, helps to ensure the accuracy and comparability of relevant test results, and is suitable for particle size evaluation of particulate materials in scientific research and production.
| Status | Incoming |
|---|---|
| CCS | A28 | ICS | 19.120 |
| Release Date | 2025-06-30 00:00:00 | Implementation Date | 2026-01-01 00:00:00 |