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Determination of propham residues in food for import and export. GC-MS method
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SN/T 2456-2010
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Basic data | Standard ID | SN/T 2456-2010 (SN/T2456-2010) | | Description (Translated English) | Determination of propham residues in food for import and export. GC-MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 15,121 | | Date of Issue | 2010-01-10 | | Date of Implementation | 2010-07-16 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National Quality Inspection (2010) on the 13th | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export food propham residual gas chromatographic determination mass spectrometry. This standard applies to peas, mustard greens, citrus, peanuts, tea, ginger, mushrooms, eel, pork, chicken, rice, soybeans and other import and export food propham residues and confirmation. | SN/T 2456-2010: Determination of propham residues in food for import and export. GC-MS method---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 propham residues in food for import and export.GC-MS method
Exit inspection and quarantine industry standard book People's Republic of China
Determination of imported and exported food propham residues
Gas chromatography - mass spectrometry
Issued on. 2010-01-10
2010-07-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Fujian Exit Inspection and Quarantine, People's Republic of China Entry-Exit Inspection and Xiamen
Quarantine Bureau.
The main drafters of this standard. the sound of Lu Yu, Yang Fang, Li Jie, Xu Dunming, Dufeng Jun, Zhou Yu.
Determination of imported and exported food propham residues
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the residues in imported and exported food propham measured by gas chromatography - mass spectrometry.
This standard applies to soybeans, mustard vegetables, citrus, peanuts, tea, ginger, mushrooms, eel, pork, chicken, rice, soybeans and other food import and export
Determination propham residues and confirmation.
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
3 Method summary
Sample remaining propham with ethyl acetate - n-hexane (1 + 1, volume ratio) mixed solvent extraction, food of plant origin in solid graphite carbon black
Phase extraction column purification, foodstuffs of animal origin or with a high fat content of food by gel permeation chromatography (GPC) purification, gas chromatography - mass spectrometer and
Confirmed, external standard.
4 Reagents and materials
Unless otherwise indicated, all reagents used in pesticide grade water as a water GB/T 6682 regulations.
4.1 n-hexane.
4.2 ethyl acetate.
4.3 Sodium chloride, analytical grade.
4.4 cyclohexane.
4.5 ethyl acetate - n-hexane (1 + 1, volume ratio) mixed solvent. amount of 100mL and 100mL of ethyl acetate-hexane, and mix.
4.6 with saturated sodium chloride solution. adding water to form a saturated solution of sodium chloride.
4.7 ethyl acetate - cyclohexane (1 + 1, volume ratio) mixed solvent. Measure 100mL ethyl acetate and 100mL of cyclohexane, and mix.
4.8 The pesticide standards. propham (Propham, CAS. 122-42-9, C10H13NO2) standard purity greater than or equal to 95%.
4.9 stock standard solution (100mg/L). Weigh accurately standards 10.0mg, n-hexane was dissolved and set the volume to 100mL, the standard reserve
It was placed in 4 ℃ refrigerator.
4.10 standard working solution. necessary take appropriate standard stock solution with hexane diluted to the appropriate concentration of standard working solution. Standard working solution
To now with the current.
4.11 ENVI-Carb graphite carbon black SPE column. 250mg, 3mL, or equivalent person.
4.12 GPC column packing. 20g200 mesh to 400 mesh Bio-beadsS-X3.
5. Apparatus
5.1 Gas chromatograph. with mass detector.
5.2 gel permeation chromatography.
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