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Test methods for physical properties of rare earth metals and their compounds—Part 2:Determination of specific surface area of rare earth compounds—Nitrogen adsorption method
Standard in brief
Scope of Application:
本文件描述了静态氮气吸附-BET法测定稀土化合物比表面积的方法。
本文件适用于碳酸稀土、稀土氧化物、稀土抛光粉、磷酸稀土、铈锆复合氧化物等以介孔为主含少量微孔的稀土化合物比表面积的测定,测定范围为1.00 m2/g~900 m2/g。以微孔为主的稀土催化剂参照使用。
Basic information
Standard No:GB/T 20170.2-2026
Standard Name:稀土金属及其化合物物理性能测试方法 第2部分:稀土化合物比表面积的测定 氮气吸附法
English Name:Test methods for physical properties of rare earth metals and their compounds—Part 2:Determination of specific surface area of rare earth compounds—Nitrogen adsorption method
Standard Status:即将实施
Release Date:2006-04-13
Effective Date:2026-12-01
Language of Publication:中文简体
Standard Classification
ICS Number:77.120.99
CCS Number:H14
Related Standards
Referenced Standards:GB/T 19587
Publication Information
Number of pages:12
Number of words:13 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2026-05-01
Standard Revision Information
Has Amendment:No
Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:20170.2
Drafter:杨学正、张秀艳、李欣欣、姚京璧、王贵超、傅钟臻、樊成美、陈燕群、易瑞麟、杨国胜、李崇山、梁晓霞、罗威、靳宏霞、章洪丽、张齐鑫
Drafting Organization:包头稀土研究院、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、国标(北京)检验认证有限公司、包头天骄清美稀土抛光粉有限公司、甘肃稀土新材料股份有限公司、四川省乐山锐丰冶金有限公司、赣州湛海新材料科技有限公司、北方中鑫安泰新材料(内蒙古)有限公司
Management Organization:全国稀土标准化技术委员会(SAC/TC 229)
Proposing Department:全国稀土标准化技术委员会(SAC/TC 229)