稀土金属及其化合物物理性能测试方法 第1部分：稀土化合物粒度分布的测定 激光衍射法（英文版）
Test methods for physical properties of rare earth metals and their compounds—Part 1: Determination of particle size distribution of rare earth compounds—Laser diffraction method
标准状态
发布于：2026-05-25
实施于：2026-12-01
废止
基本信息
GB/T 20170.1-2026
即将实施
2026-05-25
2026-12-01
国家标准委
State Administration for Market Regulation and Standardization Administration of China
National Technical Committee 229 on Rare Earth of Standardization Administration of China (SAC/TC 229)
GB/T 20170.1-2006
National Technical Committee 229 on Rare Earth of Standardization Administration of China (SAC/TC 229)
Baotou Research Institute of Rare Earths; 四川省乐山锐丰冶金有限公司; 福建省金龙稀土股份有限公司; 内蒙古中科宏特高新科技有限责任公司; 包头天骄清美稀土抛光粉有限公司; 江阴加华新材料资源有限公司; 湖南稀土金属材料研究院有限责任公司; 全南县新资源稀土有限责任公司; 定南大华新材料资源有限公司; 北方中鑫安泰新材料（内蒙古）有限公司
YANG Xuezheng, REN Xudong, JIA Xiaoqi, ZHANG Maosen, WANG Jinfeng, ZHANG Yi, ZHONG Lanying, LIU Le, DU Yue, XUE Dehui, XIAO Yaozhong, ZHANG Kun, TAO Qing, JIN Hongxia, YAO Jingbi, WANG Ming and MIAO Fengmei
标准简介
This document describes a method for the determination of the particle size distribution of rare earth compounds by laser diffraction. This document is applicable to the determination of the particle size distribution of rare earth oxides, rare earth composite oxides, rare earth carbonates, rare earth polishing powders and rare earth sulfide compounds with a particle size distribution range of 0.1 μm to 500 μm.
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