ISO 6866:1985
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Animal feeding stuffs Determination of free and total gossypol
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English, French
14-11-1985
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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).
| DevelopmentNote |
Also numbered as BS 5766-12(1986) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NFV 18 110 : 1986 | Identical |
| NF ISO 6866 : 2012 | Identical |
| BIS IS/ISO 6866 : 1985 | Identical |
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