GB/Z 139-2025

Active

Nanotechnologies—Guidance on the measurement of nanoparticle number concentration

纳米技术 纳米颗粒数量浓度测量指南

Standard Type
GBZ
ICS
07.120
CCS
G 30
Status
Active
Issue Date
2025-12-03
Implementation
N/A
Centralized Committee
中国科学院
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard provides guidance on measuring the number concentration of nanoparticles, covering methods such as particle counting and sample preparation. It is applied in nanotechnology research, quality control, and environmental monitoring to ensure accurate characterization of nanoparticle populations in products like nanomaterials, pharmaceuticals, and industrial colloids.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.