ISO 2071-1976 主要用于铝生产的氧化铝 锌含量的测定 火焰原子吸收法

标准号：ISO 2071-1976
中文标准名称：主要用于铝生产的氧化铝 锌含量的测定 火焰原子吸收法
英文标准名称：Aluminium oxide primarily used for the production of aluminium; Determination of zinc content; Flame atomic absorption method
标准类型：G10
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G10
国际标准分类号：71.100.10
适用范围：The method is applicable to products having Zn contents equal to or greater than 0,002 % (m/m). Dissolution of a test portion by hydrochloric acid under pressure. Aspiration of the solution into an acetylene-air flame and photometric measurement of the absorption of the 213,7 nm line emitted by a hollow-cathode zinc lamp. The dissolution of the sample can also be carried out by an alkaline fusion. This method is given in the annex. Replaces ISO Recommendation R 2071-1971.