This part of GB/T 18856 stipulates the summary of the method, equipment, test procedure, result expression and precision, etc. for the determination of the pH value of coal-water slurry. This section applies to all kinds of coal water slurry.
GB/T 18856.14-2002 history
2008GB/T 18856.7-2008 Test methods for coal water mixture.Part 7:Determination of pH value
2002GB/T 18856.14-2002 Test methods for quality of coal water mixture--Part 14: Determination for pH value of coal water mixture
GB/T 18856.14-2002 Test methods for quality of coal water mixture--Part 14: Determination for pH value of coal water mixture was changed to GB/T 18856.7-2008 Test methods for coal water mixture.Part 7:Determination of pH value.