BS 2782-5.531A(1999) : 1999
Current
The latest, up-to-date edition.
PLASTICS - DETERMINATION OF REFRACTIVE INDEX
23-11-2012
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. phenomenon) for determining the refractive index of powdered or granulated transparent materials by means of a microscope.
| Committee |
PRI/21
|
| DevelopmentNote |
Also numbered as BS EN ISO 489. (09/1999) Supersedes BS 2782-5.531A(1992) and 97/123621 DC. (10/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN ISO 489:1999 | Identical |
| ISO 489:1999 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 5725-3:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method |
| ISO 291:2008 | Plastics — Standard atmospheres for conditioning and testing |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| EN ISO 291:2008 | Plastics - Standard atmospheres for conditioning and testing (ISO 291:2008) |