TAPPI T 222 : 2002 : R2011
Superseded
Superseded
View Superseded by
ACID-INSOLUBLE LIGNIN IN WOOD AND PULP
Published date
21-08-2018
Superseded date
24-11-2021
Superseded by
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Summarise this standard
AI-generated summary
1 Scope
2 Summary of method
3 Significance
4 Definitions
5 Apparatus
6 Reagents
7 Sampling
8 Test specimens
9 Procedure
10 Calculation
11 Report
12 Precision
13 Keywords
14 Additional information
Reference
The carbohydrates in wood and pulp are hydrolyzed and solubilized by sulfuric acid; the acid-insoluble lignin is filtered off, dried, and weighed Specifies a procedure which can be applied to the determination of acid-insoluble lignin in wood and in all grades of unbleached pulps.
| DevelopmentNote |
Supersedes Tappi 13 (12/2000)
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| DocumentType |
Official Test Method
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| ProductNote |
Reconfirmed 2011
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| PublisherName |
Technical Association of the Pulp & Paper Industry
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
Sorry this product is not available in your region.