Methods of test for tea. Determination of acid-insoluble ash.
STANDARD published on 30.6.1988
Designation standards: BS 6049-6:1988
Publication date standards: 30.6.1988
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS
Treatment of the total ash with hydrochloric acid solution, filtration and heating at 525°C to constant mass. Status: Confirmed