GB/T 2921-1982
Abolished
GB/T 614-2021
Active
National standards
GB/T 614-2021 Chemical reagent—General method for the determination of refractive index
GB/T 614-2021 Chemical reagent—General method for the determination of refractive index
Basic Information
Standard Code:
GB/T 614-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical reagents
ICS Name:
Chemical reagents
Publish Date:
2021-08-20
Implement Date:
2022-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国化学标准化技术委员会化学试剂分技术委员会(SAC/TC 63/SC 3)
Pages:
4 pages
Scope
本文件规定了用阿贝折射仪法或自动数字显示折射仪法测定液体有机试剂折光率的通用方法。
本文件适用于浅色、透明、折光率范围在1.300 0~1.700 0的液体有机试剂的测定。本文件自动数字显示折射仪法还适用于深色、半透明、不透明的液体有机试剂的测定。
Development Information
Drafting Units:
国药集团化学试剂有限公司、北京化学试剂研究所有限责任公司、奥地利安东帕(中国)有限公司
Drafting Persons:
陈浩云、郑琦、胡鸣、曹晓蓉、韩宝英、王玉华、赵季飞、程张红、陈瑾
Replace the following standards
Referenced Standards
Adopt standards
ISO 6353-1:1982
Related Standards
GB/T 2922-1982
Abolished
GB/T 2922-1982 Chemical reagents—Determination of specific surface area of solid supports used in chromatography
GB/T 3914-1983
Replaced
GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry
GB/T 673-1984
Replaced
GB/T 673-1984 Chemical reagent—Arsenic trioxide
GB/T 1263-1986
Replaced
GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate
GB/T 1292-1986
Replaced