ISO 3420-1975 标准详情
- 标准号:ISO 3420-1975
- 中文标题:工业用(包括食品)碳酸氢铵;灰烬测定;重量分析法
- 英文标题:ammonium hydrogen carbonate for industrial use (including foodstuffs); determination of ash; gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-11-01
Applicable to ash contents equal to or more than 0.0001 % (m/m). The principle consists in heating a test portion at low flame in a well-ventilated fume cupboard. After complete volatilization, heating in a furnace at a temperature of (575 25) ?C to
* 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!
