GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
BS EN ISO 13904:2016
Animal feeding stuffs. Determination of tryptophan content
ISO 13904:2016
Animal feeding stuffs — Determination of tryptophan content
EN ISO 13904:2016
UNE-EN ISO 13904:2005
Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
BS EN ISO 13904:2005
Animal feeding stuffs. Determination of tryptophan content
ISO 13904:2005
Animal feeding stuffs — Determination of tryptophan content
DIN EN ISO 13904
Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
DIN EN ISO 13904-DRAFT
Draft Document - Animal feeding stuffs - Determination of tryptophan content (ISO/DIS 13904:2014); German version prEN ISO 13904:2014
\u0413\u041e\u0421\u0422 13496.21-87
Feeds, mixed feeds and raw material. Methods for determining content of lisin and tryptophane