1-AS 1767.2.8-2008 Insulating liquids Method 2.8: Test methods-Determination of water in oil-impregnated paper and pressboard by automatic coulometric Karl Fischer titration (IEC 60814, Ed. 2.0 (1997) MOD)
4-PREFACE
5-CONTENTS
7-1 General
7-1.1 Scope
7-1.2 Normative references
8-2 Direct titration for low viscosity liquids
8-2.1 Field of application
8-2.2 Chemistry
8-2.3 Apparatus
10-2.4 Reagents and auxiliary materials
10-2.5 Preparation of the apparatus
10-2.6 Sampling methods
11-2.7 Procedure
12-2.8 Calculation of the result
12-2.9 Report
12-2.10 Precision
12-3 Evaporative stripping method for high viscosity liquids
12-3.1 Field of application
12-3.2 Outline of the method
12-3.3 Apparatus and reagents
13-3.4 Procedure
13-3.5 Calculation of water content
14-3.6 Report
14-4 Determination of water in oil-impregnated paper and pressboard
14-4.1 Field of application
14-4.2 Determination of water after previous extraction with methanol
15-4.3 Determination by direct titration
16-4.4 Evaporative stripping method
23-Annex A (Informative) Method for sampling of oil-impregnated paper and pressboard
26-Annex ZA (Normative) Quality assurance procedures
27-Annex ZB (Normative) Routine testing procedure
28-Annex ZZ (Normative) Variations to IEC 60814, Ed.2.0 (1997) for application in Australia