Name: BS 2782-5.531A(1999) : 1999
Brand: BSI

PLASTICS - DETERMINATION OF REFRACTIVE INDEX

Published date

11-23-2012

Publisher

British Standards Institution

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	BS 2782-5:Method 531A:1992

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)