GB 7300.302-2019Feed additives - Part 3: Minerals and their complexes (or chelates) - Sodium selenite (English PDF)

Foreword

Chapters 1, 4, 5, and 6 of this part are mandatory, and the rest are recommended. GB 7300 "feed additives" is divided into several parts by product. This Part is Part 302 of GB 7300. This section is drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This section is proposed and managed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This section was drafted. CNOOC Tianjin Chemical Research and Design Institute Co., Ltd. The main drafters of this section. Guo Yongxin, Li Hecun, Zhu Liu, Li Fang, Zhang Fuqiang, Guo Fengxin, Li Tuo, and Zhu Zanfang. Feed additives Part 3. Mineral elements and their complexes (chelates) Sodium selenite Warning

--- According to the provisions of Chapter 6 of GB 12268-2012, this product belongs to the toxic substance of item 6.1, and should be handled with caution. Some of the reagents used in the test method are toxic and corrosive. If they are splashed on the skin, they should be rinsed with water immediately. In severe cases, they should seek medical treatment immediately.

1 Scope

GB 7300.302-2019 is the Chinese national standard on feed additives - part 3: minerals and their complexes (or chelates) - sodium selenite, in the field of agriculture. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 17 December 2019 by the State Administration for Market Regulation; Standardization Administration of China, and has been in force since 1 July 2020. Classification: ICS 65.120, CCS B46. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This part of GB 7300 specifies the technical requirements, test methods, inspection rules, labels, signs and packages of feed additives sodium selenite. Loading, transportation, storage and shelf life. This section applies to the feed additive sodium selenite produced by the reaction of sodium hydroxide and selenite.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document.

GB 190 Dangerous Goods Packaging Mark Preparation of

GB/T 601 chemical reagent standard titration solution

GB/T 602 Preparation of standard solutions for impurity determination of chemical reagents Preparation of preparations and products used in

GB/T 603 chemical reagent test method

GB/T 6435-2014 Determination of moisture in feed

GB/T 6678 General sampling rules for chemical products

GB/T 6682 Analytical laboratory water specifications and test methods

GB/T 8170 Numerical rounding rules and expression and judgment of limit values GB 10648 feed label

GB 12268-2012 List of dangerous goods

GB/T 13079-2006 Determination of total arsenic in feed

3 Chemical name, molecular formula and relative molecular mass Chemical name. Sodium selenite Molecular formula. Na2SeO

3 Relative molecular mass. 172.95 (according to the.2016 international relative atomic mass)

4 Technical requirements

4.1 Appearance and properties This product is white powder.