BS 4497:1969
Current
The latest, up-to-date edition.
Recommendations for the detection and estimation of nitrogenous treating agents in paper
Hardcopy , PDF
English
28-10-1969
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Cooperating organizations
Foreword
Introduction
Recommendations
1. Scope
2. Qualitative tests
2.1 General
2.2 Dye staining method
2.3 Zanthydrol test for urea resins
2.4 Melamine picrate test for melamine resins
2.5 Tests for polyethylenimine
2.6 Epoxypolyamine resins
2.7 Formaldehyde tests
2.8 Protein tests
3. Quantitative estimation
3.1 Principle
3.2 Equipment
3.3 Sampling
3.4 Procedure
3.5 Reporting procedure
3.6 Test report
Describes the problems involved and gives qualitative and quantitative methods for use with certain agents used in paper treatment; applies only to substances that have a strong affinity for acid dyes.
| Committee |
PAI/11
|
| DevelopmentNote |
Supersedes 67/22978 DC. (08/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
These recommendations describe the problems of the detection and estimation of nitrogenous treating agents in paper, and describe both qualitative and quantitative methods for use with certain of these agents; the methods are confined to those substances that have a strong affinity for acid dyes.
| BS 6410:1991 | Methods of test for filter papers |
| BS 3431:1961 | Method for the conditioning of paper and board |
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