BS 7836:1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Measurement of the average viscometric degree of polymerization of new and aged electric papers
Hardcopy , PDF
16-08-2004
English
15-01-1996
Committees responsible
National foreword
Method
Introduction
1 Object of specification
2 Field of application
3 Principle
4 Cupriethylene diamine solution
5 Apparatus
6 Preparation of paper sample
7 Experimental procedure
8 Calculations
9 Validity of results
10 Test report
Appendices
A Preparation of the cupriethylene diamine solution
B Checking the ratio cED/cCu of the cupriethylene
diamine solution
C Numerical values of the product [n].c as a function of
ns according to Martins formula (k = 0.14)
D Example of distribution of the values of the degree of
polymerization of new papers intended for the
insulation of transformers
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