Norm

ISO 7990:1985 en

Manganese ores and concentrates - Determination of total iron content - Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 6
Commissie Chemische analyse van ijzer en staal
Gepubliceerd op 12-12-1985
Taal Engels
Method A is applicable to products having a total iron content from 1 to 25 % (m/m), and method B is applicable to products having a total iron content from 0.2 to 2 % (m/m). ISO 7990 should be read in conjunction with ISO 4297. Specifies principle, reactions (method A only), reagents, apparatus, sampling and samples, procedure and expression of results.

Details

ICS-code 73.060.20
Nederlandse titel Manganese ores and concentrates - Determination of total iron content - Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
Engelse titel Manganese ores and concentrates - Determination of total iron content - Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

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