ISO 7969:1985
Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method

Standard No.

ISO 7969:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Latest

ISO 7969:1985

Scope

The method is applicable to products having sodium contents from 0,02 to 1,0 % (m/m), and potassium contents from 0,08 to 3,0 % (m/m). ISO 7969 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling, procedure and expression of results.

ISO 7969:1985 history

• 1985 ISO 7969:1985 Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method