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Homepage>ISO 22891:2013-Paper — Determination of transmittance by diffuse reflectance measurement
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sklademVydáno: 2013
ISO 22891:2013-Paper — Determination of transmittance by diffuse reflectance measurement

ISO 22891:2013

ISO 22891:2013-Paper — Determination of transmittance by diffuse reflectance measurement

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Označení normy:ISO 22891:2013
Počet stran:11
Vydání:2
Vydáno:2013
DESCRIPTION

ISO 22891:2013


ISO 22891:2013 specifies a method for the calculation of transmittance based upon diffuse reflectance measurements. The use of the method is restricted to white and near-white translucent papers (see 3.9). If it is necessary to determine the transmittance of papers which contain fluorescent whitening agents, the fluorescence emission is eliminated using the prescribed UV cut-off filter.
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