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ISO 22891:2013 Preview
Paper -- Determination of transmittance by diffuse reflectance measurement
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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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
-
Previously
ISO 22891:2007
-
Now under review
ISO 22891:2013
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