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
10-28-1969
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.