General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 42311-2023
Introduction
The GB/T 42311-2023 standard titled "Characterization of Inhalation Exposure Chamber for Nanoparticles in Inhalation Toxicity Studies" provides guidelines for the characterization of nanoparticles in the respiratory exposure chamber used in inhalation toxicity research within the field of nanotechnology. This standard aims to ensure accurate and reliable characterization of nanoparticles to better understand their potential health effects upon inhalation exposure. The standard covers various aspects of nanoparticle characterization, including size distribution, morphology, chemical composition, and surface properties. It also provides recommendations for the selection and calibration of instruments used for characterization, as well as the validation of measurement methods. By following the guidelines outlined in this standard, researchers can obtain consistent and comparable data regarding the physicochemical properties of nanoparticles in the exposure chamber, facilitating the evaluation of their toxicity and potential risks to human health. Ultimately, the implementation of this standard will contribute to the advancement of nanotechnology safety and enable informed decisions regarding the safe use and regulation of nanoparticles.
GB/T 42311-2023 history
2023GB/T 42311-2023 Characterization of Nanoparticles in Respiratory Exposure Chambers for Nanotechnology Inhalation Toxicity Studies