ANSI/TAPPI T 452:2023
Current
The latest, up-to-date edition.
Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm)
Hardcopy , PDF
English
26-10-2023
Important note : Users cannot be edited or removed once added to your Multi user PDF.This method provides: (a) a scale for measurement of blue directional reflectance factor, (b) a method for verifyingthe calibration of each instrument used for reflectance testing so that the user can rely upon the test results, and (c) a means for determining the fluorescent component of brightness.
| DocumentType |
Test Method
|
| Pages |
9
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Current
|
| Supersedes |
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.
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