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Methods for analysis and testing of coal and coke -- Liebig method
This International Standard specifies a method of determining the total carbon and the total hydrogen in hard coal, brown coal and lignite, and coke, by the Liebig method.
The results include the carbon in the carbonates and the hydrogen combined in the moisture and in the water of constitution of silicates.
A determination of moisture is carried out at the same time, and an appropriate correction is applied to the hydrogen value obtained by combustion.
A determination of carbon dioxide may also be made and the total carbon value corrected for the presence of mineral carbonates.
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