TAPPI T 579 PDF

Description

TAPPI T 579 – Diffuse brightness of paper, paperboard and pulp (d/0) (ultraviolet level D65)

TAPPI T 579 om-12 (R2018) determines the brightness of white, near-white, and naturally colored pulp, paper, andpaperboard. Brightness is a commonly used industry term for the numerical value of the reflectance factor of a samplewith respect to blue light of specific spectral and geometric characteristics. This method requires an instrumentemploying diffuse illumination and 0° viewing geometry.

Product Details

Published:

2012

ANSI:

ANSI Approved

Number of Pages:

7

File Size:

1 file , 130 KB

Note:

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