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GB/T 23710-2009: Determination of betaine in feeds -- Ion chromatography
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23710-2009 | English | 139 |
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Determination of betaine in feeds -- Ion chromatography
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GB/T 23710-2009
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Basic data | Standard ID | GB/T 23710-2009 (GB/T23710-2009) | | Description (Translated English) | Determination of betaine in feeds -- Ion chromatography | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B46 | | Classification of International Standard | 65.120 | | Word Count Estimation | 6,672 | | Date of Issue | 2009-06-12 | | Date of Implementation | 2009-12-01 | | Quoted Standard | GB/T 6682; GB/T 14699.1; GB/T 20195 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.8 (Total No.148) | | 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 determination of feed ion chromatography, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and composite betaine betaine (or hydrochloride) approach. This standard applies to feed, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and composite betaine betaine (or hydrochloride) Determination of. | GB/T 23710-2009: Determination of betaine in feeds -- Ion chromatography---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.
Determination of betaine in feeds. Ion chromatography
ICS 65.120
B46
National Standards of People's Republic of China
Feed betaine ion chromatography
Posted 2009-06-12
2009-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Appendix A of this standard is an informative annex.
This standard by the National Standardization Technical Committee Feed Industry and focal points.
This standard is drafted by. Agricultural Quality Standards and Testing Technology Research Institute, Chinese Academy of Agricultural Sciences [National Feed Quality Supervision and Inspection
Heart (Beijing)].
Participated in the drafting of this standard. Feed Research Institute, Chinese Academy of Agricultural Sciences.
The main drafters of this standard. Yan Hui Wen, Sood Cheng, Zhang Ping, Liu Qingsheng.
Feed betaine ion chromatography
1 Scope
This standard specifies the determination by ion chromatography feed, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and
Betaine (or hydrochloride) composite betaine.
This standard applies to feed, concentrated feed, pre-mixed feed, feed additives Betaine (or chloride) and composite betaine sweet
Vegetable base (or hydrochloride salt) content determination.
The standard quantitative limit of 200mg/kg.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 14699.1 feed samples
GB/T 20195 Animal feed sample preparation
Principle 3
Dissolved in water or betaine extracted sample solution after liquid - liquid extraction purification, the extract was diluted to the appropriate concentration, use sun
Ion exchange column and non-suppressed conductivity detector separation and determination.
4 Sampling
According to GB/T 14699.1 execution.
Preparation 5 samples
Samples were prepared by 20195 GB/T .
6 Reagents and solutions
Unless otherwise indicated in the analysis using only pure class pure reagents or chromatography.
6.1 Water. comply with GB/T 6682 a water use.
6.2 Methanesulfonic acid (purity ≥99%).
6.3 chloroform.
6.4 Mobile phase. 1.5mmol/L aqueous solution of methanesulfonic acid.
Weigh 2.88g mesylate (accurate to 0.01g), water volume to 1000mL, the concentration of 30mmol/L. Take 50mL
The solution, water volume to 1000mL (pH = 2.8 ~ 3.0).
6.5 betaine (or a Betaine hydrochloride) Standard. greater than 98% purity.
Betaine 6.6 standard stock solution.
Accurately weigh 0.1000g dried at 105 ℃ betaine (or 0.1312g dried at 105 ℃ betaine hydrochloride) standard
Goods in 100mL flask, water volume. The standard solution betaine concentration of 1mg/mL. 4 ℃ refrigerator, valid for two
Months.
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