ISO 4278-1977 标准详情
- 标准号:ISO 4278-1977
- 中文标题:工业用氟化钠;碳酸盐含量测定;重量分析法
- 英文标题:sodium fluoride for industrial use; determination of carbonate content; gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1977-11-01
Applicable to products having contents, expressed as Na2 CO3 , more than 0.02 % (m/m). Describes the release of the carbon dioxide from a test portion by acidification and heating. Entrainment of the carbon dioxide in a flow of air and absorption in
* 特别声明:资源收集自网络或用户上传,本网站所提供的电子文本仅供参考,请以正式出版物为准。仅供个人标准化学习,研究使用。如有侵权,请及时联系我们!
