ISO 5566:1982
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Curcuma — Détermination du pouvoir colorant — Méthode spectrophotométrique
| Published By | Publication Date | Number of Pages |
| ISO | 1982-11 | 4 |
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.
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