This standard specifies the principle, reagents and solutions, instruments and utensils, determination procedures and calculation of results for the determination of acid-insoluble ash in tea. . This standard applies to the determination of acid-insoluble ash in tea.
GB/T 8308-2002 history
2013GB/T 8308-2013 Tea.Determination of acid-insoluble ash content
2002GB/T 8308-2002 Tea--Determination of acid--insotuble ash content
1987GB/T 8308-1987 Determination of tea acid insoluble ash