ISO 12676:2000
Refractory products — Determination of resistance to carbon monoxide
This International Standard specifies a method for determining the comparative resistance of refractory materials to
carbon monoxide disintegration.
The test is intended to be more severe than conditions encountered in service in order to enable probable behaviour
of refractory materials to be assessed in a relatively short time.
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Refractory products— Determination of resistance to carbon monoxide
Contents Page
Foreword
Refractory products— Determination of resistance to carbon monoxide
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Furnace
5.2 Reaction chamber
5.3 Temperature measuring and recording device
5.4 Temperature controller
5.5 Carbon monoxide
5.6 Nitrogen
5.7 Means of control of carbon monoxide atmosphere
5.8 Reaction chamber pressure control
5.9 Gas analyser
5.10 Drying oven
5.11 Desiccator
5.12 Timer
5.13 Photographic equipment
6 Sampling
7 Test pieces
7.1 General
7.2 Fired materials
7.3 Unfired materials
8 Procedure
8.1 Dry test pieces of fired materials at
8.2 Place the cooled test pieces on the supports in the test zone of the reaction chamber so t...
8.3 Insert the temperature measuring device (
8.4 Thoroughly flush the chamber with nitrogen (
8.5 When the test pieces have attained the test temperature, cease the nitrogen flow and chang...
8.6 Regulate the flow of carbon monoxide (
8.7 Continue the test for
9 Condition of test pieces
10 Test report
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Refractory products— Determination of resistance to carbon monoxide
Contents Page
Foreword
Refractory products— Determination of resistance to carbon monoxide
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Furnace
5.2 Reaction chamber
5.3 Temperature measuring and recording device
5.4 Temperature controller
5.5 Carbon monoxide
5.6 Nitrogen
5.7 Means of control of carbon monoxide atmosphere
5.8 Reaction chamber pressure control
5.9 Gas analyser
5.10 Drying oven
5.11 Desiccator
5.12 Timer
5.13 Photographic equipment
6 Sampling
7 Test pieces
7.1 General
7.2 Fired materials
7.3 Unfired materials
8 Procedure
8.1 Dry test pieces of fired materials at
8.2 Place the cooled test pieces on the supports in the test zone of the reaction chamber so t...
8.3 Insert the temperature measuring device (
8.4 Thoroughly flush the chamber with nitrogen (
8.5 When the test pieces have attained the test temperature, cease the nitrogen flow and chang...
8.6 Regulate the flow of carbon monoxide (
8.7 Continue the test for
9 Condition of test pieces
10 Test report