TAPPI T 418 : 2007
Current
The latest, up-to-date edition.
ORGANIC NITROGEN IN PAPER AND PAPERBOARD
Hardcopy , PDF
English
12-03-2007
1 Scope
2 Summary
3 Significance
4 Apparatus
5 Reagents
6 Safety precautions
7 Sampling
8 Test specimens
9 Procedure
10 Calculation
11 Report
12 Precision
13 Keywords
14 Additional information
References
This method is a modification of the Kjeldahl procedure, in which compounds that yield their nitrogen asammonia are digested with concentrated sulfuric acid, using potassium sulfate to raise the boiling point and mercuricoxide as a catalyst
| DocumentType |
Classical Method
|
| Pages |
4
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Current
|
| Supersedes |
This method is used for the determination of nitrogen from glue, casein, urea- and melamine-formaldehyde resins, amine and amide polymers, and other nitrogenous organic materials in paper and paperboard.
| TAPPI T 493 : 2010 | IDENTIFICATION AND DETERMINATION OF MELAMINE RESIN IN PAPER |
| TAPPI T 504 : 2007 | GLUE IN PAPER (QUALITATIVE AND QUANTITATIVE DETERMINATION) |
| TAPPI T 400 : 2011 | SAMPLING AND ACCEPTING A SINGLE LOT OF PAPER, PAPERBOARD, CONTAINERBOARD, OR RELATED PRODUCT |
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