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EVS-EN 1557:2000

Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission

General information

Valid from 01.01.2000
Base Documents
EN 1557:1996
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.01.2000
Main
This European Standard specifies a method for the colorimetric characterization of optically clear, slightly tinted liquids (products) by broad-band measurementof pure transmittance with tristimulus value measuring filters as Tx, Ty and Tz.Since the tristimulus value measuring filters of simple tristimulus colorimetersmeet the Luther condition to a limited extent only it is necessary to deliberately restrict the liquids (products) to slightly tinted ones...

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