09/30181371 DC : 0

Superseded

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BS ISO 29541 - SOLID MINERAL FUELS - DETERMINATION OF TOTAL CARBON, HYDROGEN AND NITROGEN CONTENT - INSTRUMENTAL METHOD

Available format(s)

Hardcopy , PDF

Superseded date

11-30-2010

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
   5.1 General
   5.2 Carrier gas
   5.3 Oxygen
   5.4 Additional reagents
   5.5 Calibration materials
   5.6 Certified reference materials
6 Apparatus
7 Preparation of the test sample
8 Procedure
   8.1 Instrument set-up
   8.2 Blank analyses
   8.3 Conditioning and instrument stability check
   8.4 Calibration
   8.5 Verification of calibration
   8.6 Analysis of test samples
9 Expression of results
10 Precision
   10.1 Repeatability limit
   10.2 Reproducibility critical difference
11 Test report
Annex A - Recommendations for calibration (Normative)
   A.1 Recommended number of calibration points
   A.2 Recommended calibration masses
   A.3 Calibration verification
   A.4 Acceptance of results for certified reference
        material coal(s)
Annex B - Test sample and test results (Informative)
   B.1 Optimum test sample mass for the determination of
        total carbon
   B.2 Checking test results and determining the final
        quoted result
       B.2.1 Checking the acceptability of results obtained under
       repeatability conditions
       B.2.2 Checking the acceptability of results obtained under
             reproducibility conditions

Committee	PTI/16
DocumentType	Draft
Pages	20
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 29541:2010

ISO 11722:2013	Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 13909-4:2016	Hard coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples
ISO 5069-2:1983	Brown coals and lignites Principles of sampling Part 2: Sample preparation for determination of moisture content and for general analysis
ISO 5725-6:1994	Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
ISO 13909-6:2016	Hard coal and coke — Mechanical sampling — Part 6: Coke — Preparation of test samples
ISO 687:2010	Solid mineral fuels — Coke — Determination of moisture in the general analysis test sample
ISO 5068-2:2007	Brown coals and lignites — Determination of moisture content — Part 2: Indirect gravimetric method for moisture in the analysis sample
ISO 18283:2006	Hard coal and coke Manual sampling
ISO 1213-2:2016	Solid mineral fuels — Vocabulary — Part 2: Terms relating to sampling, testing and analysis