MEASUREMENT OF THE AVERAGE VISCOMETRIC DEGREE OF POLYMERIZATION OF NEW AND AGED CELLULOSIC ELECTRICALLY INSULATING MATERIALS

Amendment of

EN 60450:2004

Published date

06-14-2007

Publisher

European Committee for Standards - Electrical

INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 Terms and definitions
  3.2 Symbols
4 Principle
5 Apparatus and reagents
6 Specimens
  6.1 Preparation of specimens
7 Experimental procedure
  7.1 Measurement of water content of paper
  7.2 Determination of viscosity
8 Test report
Annex A (normative) Cuen solution
Annex B (normative) Preparation of Cuen solution
Annex C (normative) Procedure for the verification of the ratio
        c[En]/c[Cu] of the Cuen solution
Annex D (informative) Numerical values of the product [nu].c as a
        function of nu[s] according to Martin's formula
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Defines a standardized method for the determination of the average viscometric degree of polymerization (DP[nu]) of new and aged cellulosic electrically insulating materials.

Committee	SR 112
DocumentType	Standard
PublisherName	European Committee for Standards - Electrical
Status	Current

Standards	Relationship
DIN EN 60450 : 2008	Identical
NEN EN IEC 60450 : 2004 AMD 1 2007	Identical
NF EN 60450 : 2004 AMD 1 2007	Identical
NBN EN 60450 : 2005 AMD 1 2007	Identical
PN EN 60450 : 2005 AMD 1 2008	Identical
BS EN 60450:2004	Identical
UNE-EN 60450:2005	Identical
CEI EN 60450/A1 : 2008	Identical
IEC 60450:2004/AMD1:2007	Identical
VDE 0311-21 : 2008	Identical
I.S. EN 60450:2004	Identical
IEC 60450:2004+AMD1:2007 CSV	Identical

EN 60814:1997	Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
ASTM D 1795 : 2013 : REDLINE	Standard Test Method for Intrinsic Viscosity of Cellulose
ASTM D 4243 : 2016 : REDLINE	Standard Test Method for Measurement of Average Viscometric Degree of Polymerization of New and Aged Electrical Papers and Boards
ISO 287:2017	Paper and board — Determination of moisture content of a lot — Oven-drying method
IEC 60814:1997	Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
BS 6306-1:1982	Methods for determination of limiting viscosity number of cellulose in dilute solutions Cupri-ethylene-diamine (CED) method
ISO 3105:1994	Glass capillary kinematic viscometers — Specifications and operating instructions