Norm

ISO/DIS 9416:2016 en

Papier - Bepaling van de lichtverstrooiing en de absorptiecoëfficiënten (met de theorie van Kubelka-Munk)

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Over deze norm

Status Ontwerp
Aantal pagina's 11
Gepubliceerd op 09-05-2016
Taal Engels
This International Standard specifies a method for the calculation of light-scattering and lightabsorption coefficients based upon diffuse reflectance measurements made under the conditions specified in ISO 2469 using the colour matching function ?(λ) and CIE illuminant C. It is emphasized that the strict evaluation of the light-scattering and light-absorption coefficients requires conditions which cannot be achieved with the instrumentation specified here. The values obtained by application of this International Standard are dependent on the application of the Kubelka- Munk equations, not to full reflectance data but to reflectance factor data obtained using the specified d/0° geometry and a gloss trap. The use of the method is restricted to white and near-white uncoated papers with an opacity less than about 95 %. Paper that has been treated with a fluorescent dyestuff or that exhibits significant fluorescence can only be dealt with if a filter with a cut-off wavelength of 420 nm is used to eliminate all the fluorescence effect in the UVex(420) mode.

Details

ICS-code 85.040
85.060
Nederlandse titel Papier - Bepaling van de lichtverstrooiing en de absorptiecoëfficiënten (met de theorie van Kubelka-Munk)
Engelse titel Paper - Determination of light scattering and absorption coefficients (using Kubelka-Munk theory)
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