This part of GB/T 18856 specifies the method for measuring the high-level calorific value of coal-water slurry and the calculation method for the low-level calorific value. This section applies to all kinds of coal water slurry.
GB/T 18856.6-2002 history
2008GB/T 213-2008 Determination of calorific value of coal
2002GB/T 18856.6-2002 Test methods for quality of coal water mixture--Part 6: Determination of calorific value of coal water mixture
GB/T 18856.6-2002 Test methods for quality of coal water mixture--Part 6: Determination of calorific value of coal water mixture was changed to GB/T 213-2008 Determination of calorific value of coal.