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GB/T 23817-2009: Determination of sulfonylurea herbicides in soybean residues
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23817-2009 | English | 329 |
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Determination of sulfonylurea herbicides in soybean residues
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GB/T 23817-2009
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Basic data | Standard ID | GB/T 23817-2009 (GB/T23817-2009) | | Description (Translated English) | Determination of sulfonylurea herbicides in soybean residues | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.060 | | Word Count Estimation | 14,148 | | Date of Issue | 2009-05-25 | | Date of Implementation | 2009-09-01 | | Regulation (derived from) | PRC National Standard Approval Announcement 2009 No.7 (Total No.147) | | 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 epoxy soybean products ethyl, Thifensulfuron, metsulfuron, Triasulfuron, chlorsulfuron, Bensulfuron, Prosulfuron, topiramate ethyl, mesotrione, fluoride ethyl residue by high performance liquid chromatography and liquid chromatography-Determination of MS/MS. This standard applies to soybeans epoxy ethyl, Thifensulfuron, metsulfuron, Triasulfuron, chlorsulfuron, Bensulfuron, Prosulfuron, topiramate ethyl, mesotrione, fluoropyrimidin metsulfuron residues detected and confirmed. | GB/T 23817-2009: Determination of sulfonylurea herbicides in soybean residues---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 sulfonylurea herbicides in soybean residues
ICS 67.060
X04
National Standards of People's Republic of China
Determination of soybean sulfonylurea herbicide residues
Posted 2009-05-25
2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The Standard Appendix A, Appendix B and Appendix C are informative appendices.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Chinese Academy of Inspection and Quarantine.
The main drafters of this standard. Chen Dongdong, LI Shu-juan, Qi Yan, Li Jianzhong, Ann Juan, Zhang Xinzhong, Yang Qiang, accounting Chunrui, Li Xiaojuan, Chu Xiaogang.
Determination of soybean sulfonylurea herbicide residues
1 Scope
This standard specifies the soy products of ethylene-ethyl, thifensulfuron, metsulfuron-methyl, triasulfuron, chlorsulfuron, bensulfuron-methyl, prosulfuron, topiramate
Ethyl, chlorimuron HPLC liquid chromatography primisulfuron residues and - mass spectrometry/mass spectrometry determination.
This standard applies to soybeans Oxasulfuron, thifensulfuron, metsulfuron-methyl, triasulfuron, chlorsulfuron, bensulfuron-methyl, prosulfuron, topiramate ethyl
Long, chlorimuron, primisulfuron residues detected and confirmed.
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.
GB/T 6682 Water Analysis Laboratory specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
Principle 3
Sulfonylurea herbicides sample was extracted with acetonitrile, after fluorine Rory silica column purification by high performance liquid chromatography and liquid chromatography - mass spectrometry/mass
Spectroscopy, external standard.
4 Reagents and materials
Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 acetonitrile. chromatography.
4.2 methanol.
4.3 acetone.
4.4 dichloromethane.
4.5 n-hexane.
4.6 formic acid.
4.7 fluorine Rory silica. 60mm ~ 100mm, 650 ℃ drying 4h, after cooled to room temperature, weighed 95g fluorine Rory silica 5g water was added to prepare
A moisture content of 5% fluorine Rory silica, into the balance after grinding jar overnight in a desiccator.
4.8 over anhydrous sodium. 650 ℃ burning 4h, cooled in a desiccator stored spare.
4.9 dichloromethane - acetone - methanol (7.5 + 0.5 + 2, volume ratio). amount of 7.5mL of dichloromethane, 0.5mL 2mL acetone and methanol,
Mix well.
4.10 dichloromethane - methanol (1 + 1, by volume). the amount of 10mL of dichloromethane and 10mL methanol mix.
4.11 filter. 0.22μm.
4.12 Standard. Oxasulfuron, thifensulfuron, metsulfuron-methyl, triasulfuron, chlorsulfuron, bensulfuron-methyl, prosulfuron, topiramate ethyl, chlorimuron
Long, primisulfuron purity greater than 98%, related information see Appendix A in Table A. 1.
4.13 standard stock solution. accurately weighed amount of 10 kinds of sulfonylurea standards, with acetonitrile were prepared at a concentration of 100μg/mL standard
Stock solution.
4.14 mixed standard working solution. If necessary, Pipette 10 kinds of sulfonylurea standard stock solution was diluted with acetonitrile formulated into an appropriate concentration of mixed
Co-working standard solution.
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