BS 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
31-10-2007
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 |
GEL/112
|
| DevelopmentNote |
Supersedes BS 7836(1996) (08/2004) Supersedes 02/202266 DC (09/2004) Supersedes 06/30159403 DC. (10/2007)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 60450:2004/AMD1:2007 | Identical |
| DIN EN 60450:2008-03 | Identical |
| NF EN 60450 : 2004 AMD 1 2007 | Identical |
| EN 60450:2004/A1:2007 | Identical |
| NBN EN 60450 : 2005 AMD 1 2007 | Identical |
| I.S. EN 60450:2004 | Identical |
| IEC 60450:2004+AMD1:2007 CSV | Identical |
| EN 60450:2004 | Equivalent |
| 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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