ISO 6866:1985
Animal feeding stuffs; Determination of free and total gossypol
- Standard No.
- ISO 6866:1985
- Release Date
- 1985
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 6866:1985
- Scope
- 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).
ISO 6866:1985 history
- 1985 ISO 6866:1985 Animal feeding stuffs; Determination of free and total gossypol
