AFNOR - NF ISO 7990
Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 December 1986 |
| Status: | active |
| Page Count: | 8 |
| ICS Code (Manganese ores): | 73.060.20 |
Document History
NF ISO 7990
December 1, 1986
Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.
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