Manganese ores and concentrates — Determination of sodium and potassium contents — Flame atomic absorption spectrometric method
NORMA vydaná dňa 7.11.1985
Označenie normy: ISO 7969:1985
Dátum vydania normy: 7.11.1985
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.