TAPPI T 253 : OM 86
Withdrawn
Withdrawn
HYPO NUMBER OF PULP
Published date
01-12-2013
Withdrawn date
07-23-2020
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Applies to the determination of the relative "hardness," bleachability, or degree of delignification of pulp. It may be used on all types and grades of unbleached and semibleached pulps. The hypo numbers are related to lignin content in pulps and could be used also as an indirect method for the estimation of lignin content.
| DocumentType |
Standard
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Withdrawn
|
| TAPPI T 222 : 2002 | ACID-INSOLUBLE LIGNIN IN WOOD AND PULP |
| TAPPI T 222 : 2002 : R2011 | ACID-INSOLUBLE LIGNIN IN WOOD AND PULP |
| TAPPI T 236 : 2013 | KAPPA NUMBER OF PULP |
| TAPPI T 235 : 2009 | ALKALI SOLUBILITY OF PULP AT 25 DEGREE C |
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