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EN 1557:1996

Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission EN 1557:1996

Publication date:   Apr 16, 2000

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90.60 Close of review   Mar 4, 2019

CEN

CEN/TC 276 Surface active agents

European Norm

71.100.40   Surface active agents

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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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PUBLISHED
EN 1557:1996
90.60 Close of review
Mar 4, 2019