Published
The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
Revises
ISO/R 321:1963
PUBLISHED
ISO 4293:1982
90.60
Close of review
Jun 5, 2021
ABANDON
ISO/CD 4293
Manganese ores and concentrates — Determination of phosphorus content — Extraction-molybdovanadate photometric method
60.60 Standard published
Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.