• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 6470:1984

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

Available format(s)

Hardcopy , PDF

Withdrawn date

20-04-2012

Language(s)

English

Published date

31-01-1984

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Withdrawn

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

View more information
£142.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.