Solid fuels - Determination of chemical composition of fuel ash - Part 8: Determination of soda and potash (Na<(Index)2>O, K<(Index)2>O) contents— 4 стр.
Testing of solid and liquid fuels - Determination of gross calorific value by the bomb calorimeter and calculation of net calorific value - Part 3: Method using adiabatic jacket— 11 стр.