I.S. EN 61198:1994
Current
The latest, up-to-date edition.
MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFURAL AND RELATED COMPOUNDS
Hardcopy , PDF
English
01-01-1994
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.
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Sampling
4 Labelling of samples
5 Apparatus
5.1 General equipment
5.2 Equipment for extraction by Method A
5.3 Equipment for extraction by Method B
5.4 High-performance liquid chromatograph (HPLC)
6 Reagents
7 Symbols and units
8 Analytes
9 Operating procedure
9.1 Extraction of the analytes
9.2 Analysis of the extract
10 Calibration
10.1 Standard solutions in oil
10.2 Standard solution in the chromatographic eluent
10.3 Procedure
11 Calculations
12 Report
13 Minimum level of detection
14 Precision
14.1 Repeatability
14.2 Reproducibility
Annex A - Checking extraction and recovery
Figures
ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS
QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE
RELEVANT EUROPEAN PUBLICATIONS
This International Standard specifies test methods for the analysis of 2-furfural and related furan compounds resulting from the degradation of cellulosic insulation and found in mineral insulating oil samples taken from electrical equipment.
| Committee |
TC 10
|
| 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 |
38
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| SN EN 61198 : 1994 | Identical |
| EN 61198:1994 | Identical |
| NF EN 61198 : 1994 | Identical |
| DIN EN 61198 : 1995 | Identical |
| UNE-EN 61198:1996 | Identical |
| BS EN 61198:1994 | Identical |
| IEC 61198:1993 | Identical |
| NBN EN 61198 : 1996 | Identical |
| IEC 60475:2011 | Method of sampling insulating liquids |
| IEC 60567:2011 | Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance |
| EN 60567:2011 | OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011) |
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