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Normas DIN – AENOR
DIN EN ISO 6271:2014-05

DIN EN ISO 6271:2014-05

Clear liquids - Estimation of colour by the platinum-cobalt colour scale (ISO/DIS 6271:2014); German version prEN ISO 6271:2014 / Note: Date of issue 2014-04-25

Liquides clairs - Évaluation de la couleur au moyen de l'échelle platine-cobalt (ISO/DIS 6271:2014); Version allemande prEN ISO 6271:2014 / Attention: Date de parution 2014-04-25

Klare Flüssigkeiten - Bestimmung der Farbe nach der Platin-Cobalt-Farbskala (ISO/DIS 6271:2014); Deutsche Fassung prEN ISO 6271:2014 / Achtung: Erscheinungsdatum 2014-04-25

Fecha Anulación:
2016-05 /Withdrawn
Equivalencias internacionales:

ISO/DIS 6271 (2014-02)

prEN ISO 6271 (2014-03)

Relación con otras normas DIN:

Reemplazada por: DIN EN ISO 6271:2016-05

Resumen:
DIN EN ISO 6271 specifies a spectrophotometric method for estimating the colour of clear liquids in terms of Pt-Co units. It is applicable to clear liquids having a colour characteristic similar to those of the platinum-cobalt colour scale specified in Annex A. For products with colours more intensively than the Pt-Co stock solution the ISO 4630 method is recommended. The spectrophotometric method provides a more precise way of measuring Pt-Co colour than a visual sample comparison by human eyes. The term "Pt-Co colour" used here is preferred over the terms "Hazen colour" and "APHA colour"
Keywords:
Additives, APHA colour number, Binding agents, Classification, Coloration number, Colorimetry, Colour, Colour shades, Comparison measurement, Determination, Estimation, Fillers, Hazen colour number, Liquids, Paints, Platinun-cobalt scales, Process colours, Solvents, Standard colours, Test equipment, Testing, Varnishes, Visual inspection (testing)
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