I.S. EN 60450:2004
Current
The latest, up-to-date edition.
MEASUREMENT OF THE AVERAGE VISCOMETRIC DEGREE OF POLYMERIZATION OF NEW AND AGED CELLULOSIC ELECTRICALLY INSULATING MATERIALS
Hardcopy , PDF
English
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.
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
|
Standards | Relationship |
DIN EN 60450 : 2008 | Identical |
NF EN 60450 : 2004 AMD 1 2007 | Identical |
EN 60450:2004/A1:2007 | Identical |
NBN EN 60450 : 2005 AMD 1 2007 | Identical |
IEC 60450:2004+AMD1:2007 CSV | Identical |
BS EN 60450:2004 | Identical |
UNE-EN 60450:2005 | 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 |
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