ISO 5439-1978 标准详情
- 标准号:ISO 5439-1978
- 中文标题:酸性氟石.有效氟含量的测定.蒸馏后电势测定法
- 英文标题:acid-grade fluorspar-determination of available fluorine content-potentiometric method after distillation
- 标准类别:国际标准化组织标准ISO
- 发布日期:1978-09-15
Specifies a potentiometric method using a fluoride-ion sensitive electrode. After destillation of fluorine from the test portion in the presence of perchloric acid the distillate shall be titrated with lanthane nitrate solution. Applicable to product
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