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GB/T 25735-2010: Feed additive -- L-Tryptophan
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25735-2010 | English | 189 |
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Feed additive -- L-Tryptophan
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GB/T 25735-2010
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Basic data | Standard ID | GB/T 25735-2010 (GB/T25735-2010) | | Description (Translated English) | Feed additive -- L-Tryptophan | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B46 | | Classification of International Standard | 65.120 | | Word Count Estimation | 8,813 | | Date of Issue | 2010-12-23 | | Date of Implementation | 2011-03-01 | | Quoted Standard | GB/T 601; GB/T 602; GB/T 603; GB/T 6435; GB/T 6438; GB/T 6682; GB 10648; GB/T 13080; GB/T 13081; GB/T 13082; GB/T 13091; GB/T 14699.1; GB/T 18246; (bipartite 2005 edition) "Chinese Pharmacopoeia" | | Regulation (derived from) | National Standard Approval Announcement 2010 No.10 (Total No.165) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the requirements for feed additive L-tryptophan products, test methods, inspection rules and labeling, packaging, transport and storage. This standard applies to the production of microbial fermentation of feed additive L-tryptophan. | GB/T 25735-2010: Feed additive -- L-Tryptophan---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-Tryptophan
ICS 65.120
B46
National Standards of People's Republic of China
L- tryptophan feed additive
Issued on. 2010-12-23
2011-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard by the National Feed Industry Standardization Technical Committee (SAC/TC76) and focal points.
This standard was drafted. Agricultural Quality Standards and Testing Technology Research Institute, Chinese Academy of Agricultural Sciences [National Feed Quality Supervision and Inspection Center
(Beijing)].
The main drafters of this standard. Wang Tong, Fan Xia Jia Zheng, Yan Hui Wen, Zhao Xiaoyang, Li Lan, Dong Yan, Gao Yun, Li Shoushen, Hu Mingyun.
L- tryptophan feed additive
1 Scope
This standard specifies the feed additive L- tryptophan product requirements, test methods, inspection rules and labels, packaging, transport and storage.
This standard applies to the production of microbial fermentation of feed additives L- tryptophan.
Molecular formula. C11H12N2O2
Molecular weight. 204.23 (according to 2007 international relative atomic mass)
Structure.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Preparation of GB/T 601 chemical reagent standard titration solution
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents
GB/T 603 chemical reagent in test methods - Preparations with
Determination of moisture and other volatile matter content GB/T 6435 feed
Determination of GB/T 6438 of crude ash
Laboratory use specifications and test methods GB/T 6682 Analysis
GB 10648 feed label
Atomic GB/T 13080 feed of lead absorption spectrometry
Determination of GB/T 13081 Mercury Feed
GB/T 13082 Determination of cadmium in feed
GB/T 13091 salmonella in feed detection method
GB/T 14699.1 feed samples
GB/T 18246 Determination of Amino Acid in Feed
"People's Republic of China Pharmacopoeia" (2005 edition two)
3 Requirements
3.1 Characters
White to light yellow crystal or crystalline powder, odorless or slight odor, slightly soluble in water, soluble in hot ethanol and sodium hydroxide solution.
3.2 Identification
3.2.1 Qualitative Identification of amino acids
The sample solution and ninhydrin reaction solution, the solution was red purple.
3.2.2 tryptophan qualitative identification
According to GB/T 18246 Determination of required sample solution tryptophan peak retention time and the same standard solution, and the determination of the 98% ±
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