ISO 5350-4:2006
Current
The latest, up-to-date edition.
Pulps Estimation of dirt and shives Part 4: Instrumental inspection by reflected light using Equivalent Black Area (EBA) method
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12-09-2006
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ISO 5350-4:2006 specifies a method using instrumental inspection by reflected light for the estimation of visible dirt and shives in pulp manufactured in sheets, in terms of Equivalent Black Area (EBA) of dirt specks within the physical area range of 0,02 mm2 to 3,0 mm2. Using the algorithm prescribed in ISO 5350-4:2006, 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 ISO 5350-4:2006. ISO 5350-4:2006 cannot be used for physical area measurements since it may not correctly measure the dirt specks for that mode of measurement.
The specimen to be evaluated should have a brightness, as determined by ISO 3688, of 30 % or greater. It may be necessary to reform some pulp sheets into laboratory sheets, if the surface is too rough or textured.
ISO 5350-4:2006 is also intended for recycled pulp.
| DevelopmentNote |
Supersedes ISO/DIS 5350-4 and ISO 15319 (09/2006)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NEN ISO 5350-4 : 2006 | Identical |
| BS ISO 5350-4:2006 | Identical |
| PD ISO/TR 25477:2008 | Paper, board and pulps. Basic guidelines for image analysis measurements |
| TAPPI T 563 : 2015 | EQUIVALENT BLACK AREA (EBA) AND COUNT OF VISIBLE DIRT IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS |
| ISO/TR 25477:2008 | Paper, board and pulps - Basic guidelines for image analysis measurements |
| ISO 5269-1:2005 | Pulps — Preparation of laboratory sheets for physical testing — Part 1: Conventional sheet-former method |
| TAPPI T 563 : 2015 | EQUIVALENT BLACK AREA (EBA) AND COUNT OF VISIBLE DIRT IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS |
| ISO 3688:1999 | Pulps — Preparation of laboratory sheets for the measurement of diffuse blue reflectance factor (ISO brightness) |
| ISO 7213:1981 | Pulps Sampling for testing |
| ISO 5269-2:2004 | Pulps — Preparation of laboratory sheets for physical testing — Part 2: Rapid-Köthen method |
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