This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
Abstract Preview
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.
General information
-
Status : PublishedPublication date : 1985-12
-
Edition : 1Number of pages : 6
-
- ICS :
-
Manganese ores
Buy this standard
| Format | Language | |
|---|---|---|
| Paper |
- CHF38
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.