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GB 7303-2018 English PDF

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GB 7303-2018: Feed additive -- L-Ascorbic acid (Vitamin C)
Status: Valid

GB 7303: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 7303-2018English139 Add to Cart 3 days [Need to translate] Feed additive -- L-Ascorbic acid (Vitamin C) Valid GB 7303-2018
GB/T 7303-2006English279 Add to Cart 3 days [Need to translate] Feed additive -- Vitamin C (L-ascorbic acid) Obsolete GB/T 7303-2006
GB 7303-1987English199 Add to Cart 2 days [Need to translate] Feed additive--Vitamin C (ascorbic acid) Obsolete GB 7303-1987

PDF similar to GB 7303-2018


Standard similar to GB 7303-2018

GB 7300.501   GB 7300.203   GB 7300.103   GB 7300.1301   GB 7300.306   

Basic data

Standard ID GB 7303-2018 (GB7303-2018)
Description (Translated English) Feed additive -- L-Ascorbic acid (Vitamin C)
Sector / Industry National Standard
Classification of Chinese Standard B46
Classification of International Standard 65.120
Word Count Estimation 7,759
Date of Issue 2018-12-28
Date of Implementation 2020-01-01
Older Standard (superseded by this standard) GB/T 7303-2006
Quoted Standard GB/T 601; GB/T 602; GB/T 603; GB/T 613; GB/T 617; GB/T 6682; GB 10648; GB/T 13079-2006; GB/T 14699.1
Regulation (derived from) National Standard Announcement No. 17 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the requirements, test methods, inspection rules and labeling, packaging, transportation, storage and shelf life of feed additives L-ascorbic acid (vitamin C) products. This standard is applicable to L-ascorbic acid (vitamin C) which is obtained by chemical synthesis after fermentation with D-sorbitol as raw material.

GB 7303-2018: Feed additive -- L-Ascorbic acid (Vitamin C)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Feed additive--L--Ascorbic acid (Vitamin C) ICS 65.120 B46 National Standards of People's Republic of China Replace GB/T 7303-2006 Feed additive L-ascorbic acid (vitamin C) Published on.2018-12-28 2020-01-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

Chapters 1, 4 and 6 of this standard are mandatory and the rest are recommended. This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 7303-2006 "feed additive vitamin C (L-ascorbic acid)". The main technical changes of this standard and GB/T 7303-2006 are as follows. ---L-ascorbic acid (vitamin C) content was changed from "99.0% to 101.0%" to "99.0% to 100.5%" (see 4.2, 3.2 of.2006 edition); --- Technical indicators lead content changed to heavy metal (in terms of lead) limit, and is specified as "≤ 10 (mg/kg)" (see 4.2,.2006 version 3.2); --- Added technical indicators "total arsenic (as As), ≤2.0mg/kg" (see 4.2); --- Change the shelf life from "more than one year (including one year)" to "24 months" (see 7.5, 6.4 of.2006 edition). This standard is proposed and managed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This standard was drafted. National Feed Quality Supervision and Inspection Center (Wuhan), Tongwei Co., Ltd. The main drafters of this standard. Qu Liwen, Yang Fashu, Zhang Fengqi, Qian Wei, Liu Yaomin, Gao Junfeng, Wang Sisi, Huang Changjun, Yang Lin. The standard version of the standard replaced by this standard is. ---GB 7303-1987, GB/T 7303-2006. Feed additive L-ascorbic acid (vitamin C)

1 Scope

This standard specifies the requirements, test methods, inspection rules, labels, packaging, and feed additives for L-ascorbic acid (vitamin C) products. Transportation, storage and shelf life. This standard is applicable to L-ascorbic acid (vitamin C) which is obtained by chemical synthesis after fermentation with D-sorbitol as raw material.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Preparation of GB/T 601 chemical reagent standard titration solution Preparation of standard solution for GB/T 602 chemical reagent impurity determination Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 613 chemical reagent specific rotation method (specific optical rotation) determination of general methods GB/T 617 chemical reagent melting point range determination method GB/T 6682 Analytical laboratory water specifications and test methods GB 10648 feed label GB/T 13079-2006 Determination of total arsenic in feed GB/T 14699.1 Feed sampling 3 Chemical name, molecular formula, relative molecular mass and structural formula Chemical name. L-2,3,5,6-tetrahydroxy-2-hexenoic acid-γ-lactone Molecular formula. C6H8O6 Relative molecular mass. 176.12 (2016 international relative atomic mass) Structure.

4 requirements

4.1 Appearance and traits This product is white to slightly yellow crystal or crystalline powder, odorless and sour. This product is soluble in water, slightly soluble in ethanol, in trichloromethane Insoluble in alkane or ether.

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