DIN EN ISO 18125 E : 2017

National foreword<br>National Annex NA (informative) - Bibliography<br>European foreword<br>Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Reagents<br>6 Apparatus<br>7 Preparation of test sample<br>8 Calorimetric procedure<br>9 Calibration<br>10 Gross calorific value<br>11 Performance characteristics<br>12 Calculation of net calorific value at constant pressure<br>13 Test report<br>Annex A (normative) - Adiabatic bomb calorimeters<br>Annex B (normative) - Isoperibol and static-jacket bomb <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;calorimeters<br>Annex C (normative) - Automated bomb calorimeters<br>Annex D (informative) - Checklists for the design and procedures <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of combustion experiments<br>Annex E (informative) - Examples to illustrate the main calculations <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;used in this document when an automated bomb calorimeter <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;is used for determinations<br>Annex F (informative) - List of symbols used in this document<br>Annex G (informative) - Default values of most used solid biofuels <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for the calculations of calorific values<br>Annex H (informative) - Flow chart for a routine calorific value <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;determination<br>Bibliography<br>Index

Describes a method for the determination of the gross calorific value of a solid biofuel at constant volume and at the reference temperature 25 degrees C in a bomb calorimeter calibrated by combustion of certified benzoic acid.