2228700

TAPPI T 563 om-21

Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis

standard by Technical Association of the Pulp and Paper Industry , 01/01/2021

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Full Description

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 reported in parts per million as well as the number of dirt specks per square meter of sample. Using the algorithm prescribed in this method, the maximum dirt size is limited to 3.0 mm2. Extension to other speck sizes (for example those greater than 3.0 mm2 in physical area), may require changes in equipment, calculation procedures, or both, and is not covered in this test method. This method cannot be used for physical area measurements since it does not correctly measure the dirt specks for that mode of measurement.
 

Product Details

Published:
01/01/2021
ANSI:
ANSI Approved
Number of Pages:
10
File Size:
1 file , 460 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. TAPPI T 563 om-21

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    Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis

    • Most Recent

  2. TAPPI T 563 om-15


    Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis

    • Historical Version

  3. TAPPI T 563 om-12


    Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis

    • Historical Version

  4. TAPPI T563


    (Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis)

    • Historical Version

  5. TAPPI T563-03


    (Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis)

    • Historical Version

  6. TAPPI T563


    (Equivalent Black Area (EBA) and Count of Visible Dirt in Pulp, Paper and Paperboard by Image Analysis)

    • Historical Version