TAPPI T 568 : 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PHYSICAL AREA OF SUB-VISIBLE CONTRARIES IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS
Hardcopy , PDF
11-07-2023
English
01-01-2012
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1. Introduction
2. Scope
3. Significance
4. Related documents
5. Definitions
6. Apparatus
7. Sampling and test specimens
8. Procedure
9. Report
10. Precision
11. Keywords
12. Additional information
Literature cited
References
Appendix A.1
Appendix A.2
Defines image analysis to determine the level of sub-visible contraries in pulp, recycled pulp, paper, and paperboard in terms of Equivalent Physical Diameter (EPD) of contraries within the EPD range of 8 micrometers to 160 micrometers, reported in parts per hundred as well as the number of specks per square centimeter of sample.
| DocumentType |
Official Test Method
|
| Pages |
6
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| TAPPI/ANSI T 272 sp:2012 | FORMING HANDSHEETS FOR REFLECTANCE TESTING OF PULP (SHEET MACHINE PROCEDURE) |
| TAPPI T 442 : 0 | SPECTRAL REFLECTANCE FACTOR, TRANSMITTANCE, AND COLOR OF PAPER AND PULP (POLYCHROMATIC ILLUMINATION) |
| TAPPI T 563 : 2015 | EQUIVALENT BLACK AREA (EBA) AND COUNT OF VISIBLE DIRT IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS |
| TAPPI T 400 : 2011 | SAMPLING AND ACCEPTING A SINGLE LOT OF PAPER, PAPERBOARD, CONTAINERBOARD, OR RELATED PRODUCT |
| TAPPI T 452 : 2008 | BRIGHTNESS OF PULP, PAPER AND PAPERBOARD (DIRECTIONAL REFLECTANCE AT 457 NM) |
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