Manganese ores and concentrates -- Determination of iron content -- Flame atomic absorption spectrometric method
This standard was last reviewed* in 2016.
The method is applicable to products having an iron content between 0,2 % (m/m) and 10 % (m/m). ISO 9681 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling and samples, procedure, and expression of results.
Document published on: 1990-10-25 Edition: 1 (Monolingual) ICS: 73.060.20 Status: Published Stage: 90.93 (2016-02-23) TC/SC: ISO/TC 132 Number of Pages: 4
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