
Plastics - Determination Of Refractive Index
出版:British Standards Institution

专家解读视频
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.
© British Standards Institution 2013
Also numbered as BS EN ISO 489.
(09/1999)
Supersedes BS 2782-5.531A(1992) and 97/123621 DC.
(10/2005)