Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm), Test Method TAPPI/ANSI T 452 om-23

 

This method is for the determination of the brightness of white, near white, and naturally colored pulp, paper, and paperboard. Brightness is a commonly used industry term for the numerical value of the reflectance factor of a sample with respect to blue light of specific spectral and geometric characteristics. This method requires an instrument employing 45° illumination and 0° viewing geometry with the illuminating and viewing beams adjusted so that translucent materials are evaluated on an arbitrary but specific scale. The cone of light (see A.2.2 and A.2.5) used by this method is wider than that specified for the CIE Standard 45°/0° geometry.

 
T 452 om-23
Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm), Test Method T 452 om-23
Standard price: 57.00
Discounted price: 38.00
57.00

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