This standard specifies the principle, instruments and utensils, reagents and solutions, operation methods and result calculation methods for the determination of the total amount of free amino acids in tea. This standard applies to the determination of the total amount of free amino acids in tea.
GB/T 8314-2002 history
2013GB/T 8314-2013 Tea.Determination of free amino acids content
2002GB/T 8314-2002 Tea--Determination of free amino acids content
1987GB/T 8314-1987 Determination of Total Free Amino Acids in Tea