標準號：ISO 2071-1976
中文標準名稱：主要用于鋁生產(chǎn)的氧化鋁 鋅含量的測定 火焰原子吸收法
英文標準名稱：Aluminium oxide primarily used for the production of aluminium; Determination of zinc content; Flame atomic absorption method
標準類型：G10
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：G10
國際標準分類號：71.100.10
適用范圍：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.