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GB/T 21169-2007: Determination of amitraz and metabolite residues in honey. liquid chromatography
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| GB/T 21169-2007 | English | 189 |
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Determination of amitraz and metabolite residues in honey. liquid chromatography
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GB/T 21169-2007
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Basic data | Standard ID | GB/T 21169-2007 (GB/T21169-2007) | | Description (Translated English) | Determination of amitraz and metabolite residues in honey. liquid chromatography | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B47 | | Classification of International Standard | 67.180.10 | | Word Count Estimation | 7,724 | | Date of Issue | 2007-10-31 | | Date of Implementation | 2008-04-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | China National Standard Approval Announcement2007 No.12 (Total No.112) | | 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 honey amitraz and its metabolite residues in feed liquid chromatographic method, determining step, calculated results. This standard applies to amitraz in honey and determination of metabolite residues. | GB/T 21169-2007: Determination of amitraz and metabolite residues in honey. liquid 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 amitraz and metabolite residues in honey. Liquid chromatography
ICS 67.180.10
B47
National Standards of People's Republic of China
Honey Amitraz and its Metabolite Residues Determination
Liquid chromatography
Posted 2007-10-31
2008-04-01 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 is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China.
This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this standard. by Zhao Yun, Chen Huilan, Lin Hong, Wu Bin, Ding Tao, Xu Jinzhong, Shen Chong-yu, Zhucheng Jing, Jiang Yuan, Wang Jin Tao.
Honey Amitraz and its Metabolite Residues Determination
Liquid chromatography
1 Scope
This standard specifies the honey amitraz and its metabolites residues in feed liquid chromatography method, the measuring step, the results of calculations.
This standard applies to honey amitraz and its metabolites measured residues.
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 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987)
3 Method summary
Honey samples of amitraz and its metabolites with n-hexane, isopropyl alcohol mixture extraction liquid extraction and the extract was concentrated, washed with acetonitrile and water to
Capacity, measured by the UV detector equipped with HPLC, external standard.
4 Reagents and materials
4.1 Water. Water should be consistent with a GB/T 6682 regulations.
4.2 acetonitrile. HPLC grade.
4.3 hexane. pure class distinctions.
4.4 Isopropanol. AR.
4.5 Mixed Extract. The 60mL of n-hexane was mixed with 30mL of isopropanol.
4.6 Sodium hydroxide. AR.
4.7 Sodium hydroxide solution. 0.1mol/L. Weigh 4.0g of sodium hydroxide dissolved in 1000mL water.
4.8 ammonium acetate solution. 0.02mol/L. Weigh 1.54g ammonium acetate dissolved in 1000mL water.
4.9 pairs formamidine standards (purity > 99%).
4.10 2,4-dimethylaniline standards (purity > 99%).
4.11 pairs formamidine standard stock solution. 0.1mg/mL. Accurately weighed amount of reference material amitraz (4.9), paired with acetonitrile
0.1mg/mL standard stock solution. Stock solution stored at 4 ℃ refrigerator, work as required and then diluted to the appropriate concentration of acetonitrile standard
liquid. Save three months.
4.12 2,4-dimethyl aniline standard stock solution. 0.1mg/mL. Accurately weigh an appropriate amount of 2,4-dimethyl aniline standard substance (4.10),
Standard stock solution with acetonitrile dubbed 0.1mg/mL of. Stock solution stored at 4 ℃ refrigerator, and then diluted to the appropriate concentration of acetonitrile needed
The standard working solution. Save three months.
5 Instruments
5.1 High performance liquid chromatograph. equipped with a UV detector.
5.2 Analysis of balance. a sense of the amount of 0.1mg.
5.3 Balance. a sense of the amount of 0.01g.
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