ISO 3703:1993
Acid-grade and ceramic-grade fluorspar; determination of flotation agents
- Standard No.
- ISO 3703:1993
- Release Date
- 1993
- Published By
- International Organization for Standardization (ISO)
- Status
- Latest
- ISO 3703:1993
- Scope
- The principle of the method is treatment of a test portion with a mixture of dilute hydrochloric acid and an organic solvent, removal of the insoluble fluorspar by filtration under vacuum, separation of the organic phase containing the flotation agent, evaporation of the solvent and weighing of the residue. Applies to materials which have been subjected to flotation process and which have flotation agent contents equal to or greater than 0,002 % (m/m) of the dried material.
ISO 3703:1993 history
- 1993 ISO 3703:1993 Acid-grade and ceramic-grade fluorspar; determination of flotation agents
- 1976 ISO 3703:1976 Acid-grade fluorspar — Determination of flotation agents
