Abstract

ISO 22891:2007 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. 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.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 2007-07
  • Edition
     : 1
    Number of pages
     : 9
  • Technical Committee
     : ISO/TC 6 Paper, board and pulps
  • ICS
     :
    85.060 Paper and board

Life cycle


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