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I.S. EN 60450:2004

Current

Current

The latest, up-to-date edition.

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2004

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€92.00
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FOREWORD
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

Explains a standardized method for the determination of the average viscometric degree of polymerization (DPv) of new and aged cellulosic electrically insulating materials. It may be applied to all cellulosic insulating materials such as those used in transformer, cable or capacitor manufacturing.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
71
PublisherName
National Standards Authority of Ireland
Status
Current

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

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