GB/T 42311-2023 is aimed at the characterization of nanoparticles in respiratory exposure chambers in nanotechnology inhalation toxicity studies. It specifies in detail the determination methods of key characteristics such as particle size distribution, concentration, and shape of nanoparticles, and clarifies the requirements and operating specifications for detection instruments. Through unified characterization standards, reliable data are provided for accurately assessing the inhalation toxicity of nanoparticles, helping researchers to deeply understand the impact of nanoparticles on the respiratory system of organisms, ensuring the safe and scientific development of nanotechnology-related research, and promoting the development of nanotechnology on a safe and controllable track.
| Status | Active |
|---|---|
| CCS | C52 | ICS | 13.100 |
| Release Date | 2023-03-17 00:00:00 | Implementation Date | 2023-10-01 00:00:00 |