Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Format Language
PDF
Paper
  • CHF42
Convert Swiss francs (CHF) to your currency

Abstract

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).

Standard first page

Read sample 

Preview this standard in our Online Browsing Platform (OBP)

General information

  • Status
     : Published
    Publication date
     : 1985-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 34/SC 10
    ICS :
    65.120 
  • RSS updates

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Store
  3. Standards catalogue
  4. ICS
  5. 65
  6. 65.120
  7. ISO 6866:1985