Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
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Abstract

The method consists in hydrolysing with hydrochloric acid of a ground test portion, dollowed by separation of the total lysine by column chromatography and determination by spectrometry at 570 nm. Reaction of a second ground test portion with an ethanolic solution of 2,4-dinitrofluorobenzene in an alkaline medium, purification, then hydrolysis with hydrochloric acid, separation of the non-available lysine by column chromatography, and determination by spectrometry at 570 nm.

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General information

  • Status
     : Published
    Publication date
     : 1984-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 34/SC 10
    ICS :
    65.120 
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