EN 23909:1993
Current
The latest, up-to-date edition.
Hardmetals - Determination of cobalt - Potentiometric method (ISO 3909:1976)
31-10-1993
Cooperating organizations
National foreword
Foreword
1 Scope
2 Field of application
3 Principle
4 Interfering elements
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Expression of results
10 Test report
National annex
NA (informative) Committees responsible
The method is applicable to carbides and binder metal powder mixtures, free of lubricant, all grades of presintered or sintered hardmetals, having a cobalt content exceeding 1 % (m/m). Gives principle, interfering elements, reagents, apparatus, sampling, procedure, expression of results and test report.
| Committee |
CEN/BT
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 23909:1994 | Identical |
| ISO 3909:1976 | Identical |
| UNI EN 23909 : 1997 | Identical |
| I.S. EN 23909:1994 | Identical |
| NEN ISO 3909 : 1994 | Identical |
| UNE-EN 23909:1993 | Identical |
| SN EN 23909 : 1993 | Identical |
| NF EN 23909 : 1994 | Identical |
| NS ISO 3909 : 1ED 1994 | Identical |
| PN EN 23909 : 2000 | Identical |
| NBN EN 23909 : 1994 | Identical |
| DIN ISO 3909:1994-05 | Identical |
| DIN ISO 3909:1994-05 | Corresponds |
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