GB/T 44223-2024Nanotechnologies—Technical requirements for dynamic light scattering particle size analyzers (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the Chinese Academy of Sciences.

This document is under the jurisdiction of the National Technical Committee on Nanotechnology Standardization (SAC/TC 279).

This document was drafted by: National Center for Nanoscience and Technology, China Institute of Metrology, Beijing Academy of Science and Technology Analysis and Testing Research Institute (Beijing Physical and Chemical Analysis and Testing Center), Zhuhai Zhenli Optical Instrument Co., Ltd., Dandong Better Instrument Co., Ltd., South China Normal University Jinan Micro-Nano Particle Instrument Co., Ltd., Zhuhai OMEC Instrument Co., Ltd., Hefei Hongmeng Standard Technology Research Institute Co., Ltd., Guangzhou Special Pressure Equipment Testing Institute, Shanghai Spectris Instrument Systems Co., Ltd., Cold Energy (Guangdong) Technology Co., Ltd., China Metrology University, Shandong University of Technology, Beijing Xinlifang Technology Development Co., Ltd., Chengdu Jingxin Powder Testing Equipment Co., Ltd., Antai Technology Co., Ltd., Anton Paar (Shanghai) Trading Co., Ltd., China National Accreditation Service for Conformity Assessment, Beijing Powder Technology Association, China Particle Society.

The main drafters of this document are: Zhu Xiaoyang, Gao Jie, Liu Junjie, Huang Lu, Gao Yuan, Zhang Fugen, Dong Qingyun, Ning Hui, Han Peng, Ren Fei, Xingzhi Shen, Xiaoliang Dou, Zongjie Yin, Xiaoyu Li, Bin Liu, Mingzhou Yu, Wei Liu, Yawei Niu, Yixin Zhou, Yanping Li, Xudong Song, Li Xiao, Xu Yan, Wang Ning, Zhou Suhong, and Han Xiuzhi.

Nanotechnology Dynamic Light Scattering Particle size analyzer technical requirements

1 Scope

This document gives the principle of dynamic light scattering particle size analyzer, and specifies its performance, power supply voltage adaptability, environmental adaptability, safety and other aspects.

It specifies the technical requirements for safety, mechanical structure, test conditions, etc., and describes the test methods for accuracy and repeatability.

This document is applicable to the testing and inspection of particle size analyzers that measure the average particle size, particle size distribution and other parameters of nano- and submicron-sized particles.

Testing, operation and maintenance.

2 Normative references

GB/T 29022-2021

GB/T 30544.6-2016

JJG 1104-2015

3 Terms and definitions

The terms and definitions defined in GB/T 29022-2021, GB/T 30544.6-2016 and the following apply to this document.