ISO 6866:1985
ISO 6866:1985
Status : Published (Under review)
This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Format Language
std 1 40 PDF
std 2 40 Paper
  • CHF40
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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).

General information

  •  : Published
     : 1985-11
    : International Standard confirmed [90.93]
  •  : 1
     : 3
  • ISO/TC 34/SC 10
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