標準號：ISO 3390-1976
中文標準名稱：主要用于鋁生產的氧化鋁 錳含量的測定 火焰原子吸收法
英文標準名稱：Aluminium oxide primarily used for the production of aluminium; Determination of manganese content; Flame atomic absorption method
標準類型：G10
發布日期：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：Applicable to products having a Mn content between 0.0002 % (m/m) and 0.005 % (m/m). Preliminary extraction by the method specified in the annex if the apparatus available does not have a sufficient sensitivity. Describes the dissolution of a test sample by heating in a sealed borosilicate glass tube with hydrochloric acid at a controlled temperature of 250 鳦. Aspiration of the solution in an air-acetylene flame and spectrophotometric measurement of the absorption of the 279.5-nm line emitted by a manganese hollow cathode lamp.