This standard specifies the spectrophotometric method for the determination of free gossypol in feed. This standard is applicable to the determination of free gossypol in compound feed, concentrated feed, concentrate supplement, cottonseed, cottonseed cake and other feed materials (except cottonseed oil) containing cottonseed and cottonseed cake. The quantitative limit of this standard is 20 mg/kg.
GB/T 13086-2020 Referenced Document
GB/T 20195 Animal feeding stuffs--Preparation of test samples
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 13086-2020 history
2020GB/T 13086-2020 Method for determination of free gossypol in feeds
1991GB/T 13086-1991 Method for determination of free gossypol in feeds