2020BS ISO 1928:2020 Coal and coke. Determination of gross calorific value
2009BS ISO 1928:2009 Solid mineral fuels - Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value
1992BS 1016-105:1992 Methods for analysis and testing of coal and coke - Determination of gross calorific value
BS ISO 1928:2009 Solid mineral fuels - Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value has been changed from BS 1016-105:1992 Methods for analysis and testing of coal and coke - Determination of gross calorific value.