NA 074
DIN Standards Committee Paper, board and pulps
Standards
[Withdrawn]
ISO 3688
ISO 3688
Pulps - Preparation of laboratory sheets for the measurement of diffuse blue reflectance factor (ISO brightness)
Title (German)
Halbstoffe - Vorbereitung von Laborblättern für die Messung des diffusen Reflexionsfaktors im blauen Spektralbereich (ISO-Weißgrad)
Responsible national committee
NA 074-02-02 AA - Optical test methods for paper, board and pulps