This Standard specifies a method for measuring the colour of paper and board by using diffuse illumination and measuring the light reflected at right angles to the surface. It is confined to non-fluorescent papers and boards.
AS/NZS 1301.455s:1993 history
1993AS/NZS 1301.455s:1993 Methods of test for pulp and paper - Colour measurement with a diff/0 degrees geometry tristimulus reflectometer