标准编号:	GB/T 25865-2010
中文名称:	饲料添加剂　硫酸锌
英文名称:	Feed additive—Zinc sulphate
中标分类:	B46    畜禽饲料与添加剂
行业分类:	GB    国家标准
ICS分类:	65.120 65.120    饲料 65.120
发布机构:	国家标准化委员会 国家质量监督检验检疫总局
发布日期:	2011-1-10
实施日期:	2011-6-1
标准状态:	现行
翻译语言:	英文
文件格式:	PDF
中文字符数:	12000 字
翻译价格(元):	720.00 元
交付时间:	付款后 1 个工作日

1 Scope



This standard specifies the product classification, technical requirements, test methods, inspection rules, as well as labelling, packaging, transportation and storage of zinc sulphate for feed additive.



This standard is applicable to feed additive zinc sulphate produced by reaction of zinciferous materials and sulphuric acid.



Molecular formula: ZnSO4•nH2O.



Relative atomic mass: 179.47 (n=1), 287.56 (n=7) (as per 2007 international relative atomic mass).



2 Normative References



The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated reference, the latest edition of the referenced document (including any amendments) applies.



GB/T 601 Chemical Reagent — Preparations of Reference Titration Solutions

GB/T 5917.1 Determination for Feed Particle Size — Two-sieve Screening Method

GB/T 6682 Water for Analytical Laboratory Use — Specification and Test Methods

GB 10648 Feed Label

GB/T 13079 Determination of Total Arsenic in Feeds

GB/T 13080 Determination of Lead in Feeds — Method Using Atomic Absorption Spectrometry

GB/T 13082 Method for Determination of Cadmium in Foods



3 Product Classification



Feed additive zinc sulphate is classified as follows according to the zinc content: zinc sulfate monohydrate, zinc content ≥ 34.5%; zinc sulfate heptahydrate, zinc content ≥ 22.0%.



4 Technical Requirements

Foreword II
1 Scope
2 Normative References
3 Product Classification
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Labelling, Packaging, Transportation and Storage