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TAPPI - T 452 OM

Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm)

inactive
Organization: TAPPI
Publication Date: 1 January 2008
Status: inactive
Page Count: 9

Document History

T 452 OM
January 1, 2023
Brightness of Pulp, Paper, and Paperboard (Directional Reflectance at 457 nm)
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...
TAPPI T 452
January 1, 2018
Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm)
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...
T 452 OM
January 1, 2008
Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm)
A description is not available for this item.
T 452 OM
January 1, 2002
Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm)
A description is not available for this item.
T452 OM
January 1, 1998
Brightness of Pulp, Paper, and Paperboard (Directional Reflectance at 457 nm)
A description is not available for this item.
T452 OM
January 1, 1992
Brightness of Pulp, Paper, and Paperboard (Directional Reflectance at 457 nm)
A description is not available for this item.
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References

This document is referenced by:
TAPPI T 646 - Brightness of Clay and Other Mineral Pigments (45/0)
Published by TAPPI on January 1, 2006
A description is not available for this item.
This document is referenced by:
TAPPI UM 200 - Brightness loss of bleached pulp
Published by TAPPI on January 1, 2012
This method quickly measures the relative brightness loss of pulp by use of heat. This method does not necessarily agree with a more natural aging test over a longer period of time. This method has...
This document is referenced by:
TAPPI T 272 - Forming handsheets for reflectance testing of pulp (sheet machine procedure)
Published by TAPPI on January 1, 2012
This practice describes the procedure using the TAPPI sheet machine for preparing reflectance-testing specimen sheets of bleached or unbleached pulp whose fibers are readily dispersed in water. This...
This document is referenced by:
T 563 OM - Equivalent Black Area (EBA) and count of visible dirt in pulp, paper and paperboard by image analysis
Published by TAPPI on January 1, 2015
This method uses image analysis to determine the level of dirt in pulp, paper, and paperboard in terms of Equivalent Black Area (EBA) of dirt specks within the physical area range of 0.02 to 3.0 mm2...
This document is referenced by:
CSA ISO/IEC 13660 - Information technology - Office equipment - Measurement of image quality attributes for hardcopy output - Binary monochrome text and graphic images
Published by CSA on January 1, 2002
This International Standard specifies device-independent image quality attributes, measurement methods, and analytical procedures to describe the quality of output images from hardcopy devices. This...
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