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