95.99 Mar 24, 2015
ISS
International Standard
Serbian
Withdrawn
The method specified is based on extracting the caffeine from a test portion with water at 90 °C in the presence of magnesium oxide, filtration followed by determination of the caffeine content by HPLC with UV detection. Applies to teas and instant teas with a caffeine content of greater than 0,3 % (m/m).
WITHDRAWN
SRPS ISO 10727:1996
95.99
Withdrawal of Standard
Mar 24, 2015
PUBLISHED
SRPS ISO 10727:2015
MINISTARSTVO POLjOPRIVREDE