UNI EN ISO 489 : 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PLASTICS - DETERMINATION OF REFRACTIVE INDEX
04-05-2022
01-01-2001
1 Scope
2 Normative references
3 Apparatus and materials
3.1 Method A
3.2 Method B
4 Preparation of test specimens
4.1 Method A
4.2 Method B
4.3 Required number of specimens or measurements
5 Conditioning
6 Procedure
6.1 Method A
6.2 Method B
7 Precision
8 Test report
Defines two test methods for determining the refractive index of plastics, namely: - Method A: a refractometric method for measuring the refractive index of moulded parts, cast or extruded sheet or film, by means of a refractometer. - Method B: an immersion method (making use of the Becke line phenomenon) for determining the refractive index of powdered or granulated transparent materials by means of a microscope.
| DevelopmentNote |
Supersedes UNI ISO 489. (06/2001)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| I.S. EN ISO 489:1999 | Identical |
| UNE-EN ISO 489:2000 | Identical |
| NF EN ISO 489 : 1999 | Identical |
| NBN EN ISO 489 : 1ED 99 | Identical |
| SN EN ISO 489 : 1999 | Identical |
| BS EN ISO 489:1999 | Identical |
| EN ISO 489:1999 | Identical |
| NS EN ISO 489 : 1ED 1999 | Identical |
| ISO 489:1999 | Identical |
| NEN EN ISO 489 : 1999 | Identical |
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