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.

SDO:

ISO

Language:

English

ICS Codes:

73.060.20

Status:

Withdrawn

Publish date:

1981-10-31

Standard Number:

ISO 621:1981