ISO 621:1981

Manganese ores — Determination of metallic iron content (metallic iron content not exceeding 2 %) — Sulphosalicylic acid photometric method

This second edition cancels and replaces the first edition (i.e. ISO 621-1975). Specifies principle, reagents, apparatus, sample, procedure and expression of results.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

73.060.20

Statut:

Annulée

Date de Publication:

1981-10-31

Numéro Standard:

ISO 621:1981