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ISO 6866:1985

Current Revision

Animal feeding stuffs - Determination of free and total gossypol

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The method is applicable to cottonseed and cottonseed meals and cakes. The method consists in extracting of the compound in the presence of 3-aminopropane-1-ol, either with a mexture of 2-propanol and hexane for the determination of free gossypol or with dimethylformamide for the determination of total gossypol. Conversion to gossypol-dianiline using aniline, and measurement of the absorbance at the wavelength of maximum absorbance (between 435 and 445 nm).


SDO ISO: International Organization for Standardization
Document Number ISO 6866
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 34/SC 10
Publish Date Document Id Type View
Not Available ISO 6866:1985 Revision