BS 6470:1984
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for determination of water in insulating oils, and in oil-impregnated paper and pressboard
Hardcopy , PDF
20-04-2012
English
31-01-1984
Important note : Users cannot be edited or removed once added to your Multi user PDF.
National foreword
Committees responsible
1. Scope
Section one. Determination of water in insulating oils
2. Outline of method
3. Chemistry
4. Reagents and auxiliary materials
5. Apparatus
6. Preparation of apparatus
7. Sampling methods for oils
8. Procedure
9. Standardization of Karl Fischer reagent
10. Calculation of results
11. Report
12. Precision
Section two. Determination of water in oil-impregnated
paper and pressboard
13. Outline of the method
14. Determination after previous extraction with
methanol
15. Determination without previous extraction with
methanol
Appendix A - Methods for sampling of oil-impregnated
paper and pressboard
Appendix B - Determination of the water in oil-
impregnated paper and pressboard by
stripping in a nitrogen stream
Appendix C - Explanatory notes: Evaluation of apparatus
response and sensitivity
Figures
Describes methods using the Karl Fischer technique for the determination of water in new and used insulating oils over the concentration range 2 mg/kg to 100 mg/kg and in oil-impregnated paper and pressboard over the range 0.1 % to 20 % by mass.
| Committee |
GEL/10
|
| DevelopmentNote |
Also numbered as IEC 60733 Supersedes 80/32945 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN 300:2007 | Identical |
| UNE-EN ISO 105-C06:1997 | Identical |
| BS EN 61065:1993 | Method for evaluating the low temperature flow properties of mineral insulating oils after ageing |
| BS EN 60465:1992 | Specification for unused insulating mineral oils for cables with oil ducts |
| BS 7704:1993 | Specifications for silicone liquids for electrical purposes |
| BS 5263:1975 | Method for sampling liquid dielectrics |
| BS 572:1960 | Interchangeable conical ground glass joints |
| BS 2761:1983 | Specification for spherical ground joints |
| BS 5574:1978 | Guide for the sampling of gases and of oil from oil-filled electrical equipment and for the analysis of free and dissolved gases |
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