JIS M 8812:2004
JIS M 8812:2004
Coal and coke - Methods for proximate analysis
Japanese Standards Association
Coal and coke - Methods for proximate analysis
Japanese Standards Association
Introduction
1 Scope
2 Normative references
3 Definitions
4 General requirement
4.1 Sample
4.2 Measuring instrument
4.3 Reagent and water
4.4 Expression of analytical result
5 Determination of moisture content
5.1 Classification and application of method
5.2 Measuring method on loss on drying in air
5.3 Measuring method of loss on drying in helium gas flow
5.4 Measuring method of loss on drying in nitrogen gas flow
5.5 Azeotropic distillation method (direct volumetric method)
6 Determination of ash content
6.1 Summary
6.2 Apparatus and instrument
6.3 Test portion
6.4 Procedure
6.5 Calculation of measured value
6.6 Number of measurements
6.7 Tolerance
6.8 Expression of report value
7 Determination of volatile matter content
7.1 Division of method and application
7.2 Vertical tubular electric furnace method
7.3 Square-shaped electric furnace method
7.4 Two-furnace method
8 Determination of fixed carbon mass percentage (%)
Attached Table 1 Normative references
Annex (informative) Comparison table between JIS and
corresponding International Standards
Defines the procedures for proximate analysis of coal and coke.
Document Type | Standard |
Status | Current |
Publisher | Japanese Standards Association |
Supersedes |
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