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ISO 6866:1985

Animal feeding stuffs — Determination of free and total gossypol

Standard Details

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

Status : Published
Standard Type: Main
Document No: ISO 6866:1985
Document Year: 1985
Pages: 3
Edition: 1
  • ICS:
  • 65.120 Animal feeding stuffs

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ISO 6866:1985
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