This standard specifies the instruments and utensils, sample preparation, measurement methods and result calculation methods for the determination of powder and crushed tea content in tea. This standard applies to the determination of powder and broken tea content in various types of tea.
GB/T 8311-2002 history
2013GB/T 8311-2013 Tea.Determination of dust and broken content
2002GB/T 8311-2002 Tea--Determination of dust and broken tea content
1987GB/T 8311-1987 Determination of tea powder and broken tea content