ASTM adiabatic bomb calorimeter

ASTM D-2015. Standard Test Method for Gross Calorific Value of Coal and Coke by the Adiabatic Bomb Calorimeter. 

A more recent test method (ASTM D-5865) pertains to determination of the calorific value of coal by either an isoperibol (a calorimeter that has a jacket of uniform and constant temperature) or adiabatic bomb calorimeter. 

ASTM D240 Automated adiabatic bomb calorimeter ... 

Other methods using an adiabatic bomb calorimeter (ASTM D-2015, ASTM D-5865) are also available. 

ASTM. 201 Ig. Test Method for Gross Calorific Value of Coal and Coke by the Adiabatic Bomb Calorimeter (ASTM D2015). Annual Book of ASTM Standards, Section 05.05. American Society for Testing and Materials, West Conshohocken, PA. 

The calorific value is the heat produced by the combustion of a unit quantity of coal in a bomb calorimeter with oxygen and under a specified set of conditions (ASTM D-121 ASTM D-2015 ASTM D-3286 ISO 1928). For the analysis of coal, the calorific value is determined in a bomb calorimeter either by a static (isothermal) method or by an adiabatic method, with a correction made if net calorific value is of interest. The unit is calories per gram, which may be converted to the alternate units (1.0 kcal/kg = 1.8 Btu/lb = 4.187 kJ/kg). 

The common method of determining the gross calorific value of coal is with either an adiabatic calorimeter (ASTM D-2015 this test method was discontinued without replacement in 2000 but is still in use in many laboratories) or an isothermal bomb calorimeter (ASTM D-3286). In these methods, a weighed sample is burned in an oxygen bomb covered with water in a container surrounded by a jacket. 

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