Skip to main navigation menu Skip to main content Skip to site footer
NTC 4600-1999 Tea and instant tea in solid form

Tea and instant tea in solid form-determination of caffeine content. Method using high performance liquid chromatography: This standard specifies a method for the determination of caffeine content by high performance liquid chromatography (HPlC) of teas and instant teas with a caffeine content above 0.3% (mlm).    

Table of contents

Norma Técnica