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BS ISO 23331:2021:2022 Edition

BS ISO 23331:2021:2022 Edition

$102.76

Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for total electrical conductivity of conductive fine ceramics

Published By Publication Date Number of Pages
BSI 2022 16
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This document specifies the test method for the determination of total electrical conductivity of conductive fine ceramics by the DC (direct current) four-terminal method. The test method applies to conductive fine ceramics which have an ionic transference number of 0,01 or less. The applicable conductivity range is from 1 S cm?1 to 1 000 S cm?1 and the temperature range is up to 1 000 °C. The values expressed in the test method are in accordance with the International System of Units (SI).

This document is intended for industrial product quality control and material development of conductive fine ceramics used in electrodes, e.g. fuel cells, batteries and water electrolysis.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols
9 5 Principle
6 Apparatus
6.1 Measurement system
6.2 Furnace
6.3 Voltmeter
10 6.4 Constant direct current (DC) supply
6.5 Wire electrodes and lead wires
6.6 Caliper
6.7 Micrometer
7 Test piece
7.1 Shape and dimensions
7.2 Surface roughness
7.3 Density
11 7.4 Configuration of four wire electrodes
7.5 Number of test pieces
8 Test procedure
8.1 Dimension measurement of a test piece
8.2 Heating of a test piece
12 8.3 Maintenance of gas composition and gas flow rate
8.4 Measurement of total electrical conductivity
9 Calculation of total electrical conductivity
10 Expression of total electrical conductivity
10.1 The value of total electrical conductivity
10.2 The expression of total electrical conductivity
13 11 Analysis of precision and uncertainty
12 Test report
14 Bibliography

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BS ISO 23331:2021
$102.76