Turmeric — Determination of colouring power — Spectrophotometric method
NORMA vydaná dňa 1.11.1982
Designation standards: ISO 5566:1982
Publication date standards: 1.11.1982
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: Describes a method based on the extraction of the pigments of turmeric with hot ethanol, dilution of the extract and spetrophotometric measurement at the wavelenghth of maximum absorption. The result of the measurement is expressed as curcumin as a percentage by mass.