ISO-5566 › Turmeric -- Determination of colouring power -- Spectrophotometric method
ISO-5566
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1ST EDITION
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CURRENT
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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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Document Number
ISO 5566:1982
Revision Level
1ST EDITION
Status
Current
Publication Date
Nov. 15, 1982
Committee Number
ISO TC 34/SC 7