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GB/T 35984-2018 English PDF (GBT35984-2018)

GB/T 35984-2018 English PDF (GBT35984-2018)

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GB/T 35984-2018: Determination of total carbon, combustible carbon and carbonate carbon in solid residues from coal and coke

This Standard specifies the method summary, reagent materials, apparatus, determination procedures, calculation of results, method precision and calculation method for combustible carbon for the determination of total carbon and carbonate carbon in solid residues from coal and coke. This Standard applies to the solid residues from coal and coke.
GB/T 35984-2018
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 73.040
D 21
Determination of total carbon, combustible carbon and
carbonate carbon in solid residues from coal and coke
ISSUED ON. FEBRUARY 6, 2018
IMPLEMENTED ON. SEPTEMBER 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Method summary ... 5
5 Reagent materials ... 6
6 Apparatus ... 6
7 Determination procedures ... 6
8 Calculation of results ... 6
9 Method precision ... 7
10 Test report ... 8
Determination of total carbon, combustible carbon and
carbonate carbon in solid residues from coal and coke
1 Scope
This Standard specifies the method summary, reagent materials, apparatus, determination procedures, calculation of results, method precision and calculation method for combustible carbon for the determination of total carbon and carbonate carbon in solid residues from coal and coke.
This Standard applies to the solid residues from coal and coke.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document.
GB/T 218, Determination of carbon dioxide content in the mineral carbonates associated with coal
GB/T 476, Determination of carbon and hydrogen in coal
GB/T 483, General rules for analytical and testing methods of coal
GB/T 30733, Determination of total carbon, hydrogen and nitrogen content in coal ?€? Instrumental method
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply. 3.1
solid residues from coal and coke
Solid matters produced from the combustion or reaction of coal or coke. 5 Reagent materials
5.1 The reagent materials for the determination of total carbon using the gravimetric method shall be as required in GB/T 476.
5.2 The reagent materials for the determination of total carbon using the instrumental method shall be as required in GB/T 30733.
5.3 The reagent materials for the determination of carbonate carbon shall be as required in GB/T 218.
6 Apparatus
6.1 The apparatus for the determination of total carbon using the gravimetric method shall be as required in GB/T 476.
6.2 The apparatus for the determination of total carbon using the instrumental method shall be as required in GB/T 30733.
6.3 The apparatus for the determination of carbonate carbon shall be as required in GB/T 218.
7 Determination procedures
7.1 Determination of total carbon
Determine the content of total carbon in sample as specified in GB/T 476 and GB/T 30733. GB/T 476 is the arbitration method.
7.2 Determination of carbonate carbon
The content of carbonate oxygen dioxide in sample is determined as specified in GB/T 218; then the content of carbon dioxide is converted into the content of carbonate (see 8.2).
8 Calculation of results
8.1 Total carbon
The content of total carbon in sample is calculated as specified in GB/T 476 or GB/T 30733.

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