
ISO 7990:1985
ISO 7990:1985 Manganese ores and concentrates – Determination of total iron content – Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
CDN $82.00
Description
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.
Edition
1
Published Date
1985-12-12
Status
PUBLISHED
Pages
6
Format 
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
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.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-

ISO 4571:1981 Manganese ores and concentrates – Determination of potassium and sodium content – Flame atomic emission spectrometric method
CDN $82.00 Add to cart -

ISO 4298:2022 Manganese ores and concentrates – Determination of manganese content – Potentiometric method
CDN $124.00 Add to cart -

ISO 619:1981 Manganese ores – Determination of chromium content – Diphenylcarbazide photometric method and silver persulphate titrimetric method
CDN $82.00 Add to cart -

ISO 8542:1986 Manganese and chromium ores – Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
CDN $124.00 Add to cart







