✎ Mĳn Journaaltje: ISO 3103

ISO 3103 is a standard published by the International Organization for Standardization (commonly referred to as ISO). It specifies a standardized method for brewing tea, originally laid down in 1980 as BS 6008:1980. It was produced by ISO Technical Committee 34 (Food products), Sub-Committee 8 (Tea). The abstract states the following:
The method consists in extracting of soluble substances in dried tea leaf, containing in a porcelain or earthenware pot, by means of freshly boiling water, pouring of the liquor into a white porcelain or earthenware bowl, examination of the organoleptic properties of the infused leaf, and of the liquor with or without milk or both.