GB/Z 139-2025
ActiveNanotechnologies—Guidance on the measurement of nanoparticle number concentration
纳米技术 纳米颗粒数量浓度测量指南
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
GB/Z 43684-2024
Nanotechnologies—Description, measurement and dimensional quality parameters of gratings
GB/Z 43998-2024
Nanotechnologies—Assessment of the concentrations of carbon black and amorphous silica in nanoscale in a mixed dust manufacturing environment
GB/Z 44005.1-2024
Nanotechnologies—Clay nanomaterials—Part 1: Specification of characteristics and measurement methods for layered clay nanomaterials
GB/Z 44235-2024
Nanotechnologies—Characteristics and measurement methods of air filter media containing polymeric nanofibers
GB/Z 133-2025
Nanotechnologies—Assessment of protein secondary structure alterations caused by nanomaterials—Ultraviolet circular dichroism spectroscopy
GB/Z 123.1-2025
Nanomanufacturing—Material specifications—Luminescent nanomaterials—Part 1:Blank detail specification
GB/Z 138-2025
Nanotechnologies—Evaluation of the antimicrobial performance of textiles containing manufactured nanomaterials
GB/Z 114.1-2026
Nanomanufacturing—Technical specifications—Nano-enabled energy storage—Part 1: Blank detail specification—Nanoporous activated carbon for the electrochemical capacitors
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.