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Chinese Standard: GB/T 42957-2023

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Determination of lysine, methionine and threonine in commercial amino acid products and additive premixture feeds


Standard in brief
Scope of Application:  
本文件描述了氨基酸产品和添加剂预混合饲料中游离赖氨酸、蛋氨酸和苏氨酸含量的测定方法。本文件适用于饲料添加剂氨基酸、氨基酸硫酸盐和氨基酸盐酸盐、混合型饲料添加剂及添加剂预混合饲料中游离赖氨酸、蛋氨酸和苏氨酸含量的测定,不适用于饲料添加剂蛋氨酸羟基类似物、蛋氨酸羟基类似物钙盐,也不适用于饲料添加剂赖氨酸硫酸盐及其发酵副产物中结合赖氨酸含量的测定。本文件不适用于区分单个氨基酸的D型和L型。本文件游离赖氨酸、蛋氨酸和苏氨酸的定量限为0.1%。

Basic information
Standard No:GB/T 42957-2023
Standard Name:氨基酸产品和添加剂预混合饲料中赖氨酸、蛋氨酸和苏氨酸含量的测定
English Name:Determination of lysine, methionine and threonine in commercial amino acid products and additive premixture feeds
Standard Status:现行
Release Date:2023-08-06
Effective Date:2024-03-01
Language of Publication:中文简体

Standard Classification
ICS Number:65.120
CCS Number:B46

Related Standards
Referenced Standards:GB/T 6682,GB/T 20195
Adopted Standards:ISO 17180:2013
Adopted Standard Name:《动物饲料 氨基酸产品和预混合饲料中赖氨酸、蛋氨酸和苏氨酸的测定》
Adoption Level:MOD

Publication Information
Number of pages:16
Number of words:20 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2023-08-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:42957
Drafter:贺平丽、谯仕彦、郑君杰、李竞前、尹刘益、张雅惠、王春林、何志伟、杨苑鹤、宋军、李瑶、迟超逸
Drafting Organization:中国农业大学、全国畜牧总站
Management Organization:全国饲料工业标准化技术委员会(SAC/TC 76)
Proposing Department:全国饲料工业标准化技术委员会(SAC/TC 76)

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