Resumen
ISO 13904:2016 specifies a method for determination of the total and free tryptophan (Trp) content in feeding stuffs (e.g. complete and complementary feeds, supplementary feeds, raw materials, ingredients, and concentrates) and determination of free tryptophan in commercial pure substances and premixtures containing more than 2 % of tryptophan.
It does not distinguish between D- and L-forms.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2016-02Etapa: Norma Internacional confirmada [90.93]
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Edición: 2Número de páginas: 14
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Comité Técnico :ISO/TC 34/SC 10ICS :65.120
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Ciclo de vida
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Anteriormente
RetiradaISO 13904:2005
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Ahora