GSO ISO 2470-1:2015

ISO 2470-1:2009

Gulf Standard Current Edition · Approved on 03 September 2015

Paper, board and pulps -- Measurement of diffuse blue reflectance factor -- Part 1: Indoor daylight conditions (ISO brightness)

GSO ISO 2470-1:2015 Files

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GSO ISO 2470-1:2015 Scope

This part of ISO 2470 specifies a method for measuring the diffuse blue reflectance factor (ISO brightness) of pulps, papers and boards. This part of ISO 2470 is limited in its scope to white and near-white pulps, papers and boards. The measurement can only be made in an instrument in which the ultraviolet energy level of the illumination has been adjusted to correspond to the CIE illuminant C using a fluorescent reference standard. NOTE The property called D65 brightness is measured with an instrument adjusted to a much higher UV content than that specified in this part of ISO 2470. The measurement of D65 brightness is described in ISO 2470-2.