Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Method summary 5 Reagents 6 Instruments and equipments 7 Coal sample collection and preparation 8 Determination procedures 9 Calculation results and expression 10 Precision of method Annex A (Normative) Empirical Formula of Calculating Apparent Relative Density Based on True Relative Density Annex B (Normative) Determination of Paraffin Wax Density
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