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GB/T 5009.207-2008: Determination of 50 organophosphorus pesticides residues in unpolished rice
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5009.207-2008 | English | 439 |
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Determination of 50 organophosphorus pesticides residues in unpolished rice
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GB/T 5009.207-2008
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Basic data | Standard ID | GB/T 5009.207-2008 (GB/T5009.207-2008) | | Description (Translated English) | Determination of 50 organophosphorus pesticides residues in unpolished rice | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C53 | | Classification of International Standard | 67.040 | | Word Count Estimation | 19,128 | | Date of Issue | 2008-11-21 | | Date of Implementation | 2009-03-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.22 (Total No.135) | | 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 method for the determination of 50 kinds of rice organophosphorus pesticide residues. This standard applies to the determination of brown rice in 50 kinds of organophosphorus pesticide residues. 50 kinds of organophosphorus pesticides in rice, in addition to omethoate, thiometon phosphorus, oxydemeton, bromophos, methylpyrazole evil phosphorus detection limit of 0. 01mg/kg, the rest of the detection of organophosphorus pesticides limits are 0. 005mg/kg. Recovery See Appendix A. | GB/T 5009.207-2008: Determination of 50 organophosphorus pesticides residues in unpolished rice---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 50 organophosphorus pesticides residues in unpolished rice
ICS 67.040
C53
National Standards of People's Republic of China
Brown 50 organophosphorus pesticide residues determination
Posted 2008-11-21
2009-03-01 implementation
People's Republic of China Ministry of Health
Standardization Administration of China released
Foreword
The Standard Appendix A, Appendix B is an informative annex.
This standard is proposed and administered by the People's Republic of China Ministry of Health.
This standard by the People's Republic of China Ministry of Health is responsible for interpretation.
This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Chinese Academy of Inspection and Quarantine.
Drafters of this standard. Shen Chong-yu, Chu Xiaogang, Xu Jinzhong, Shen Wei Jian, Wu Bin, Zhao Yun increased, Chen Huilan, Chiang original.
Brown 50 organophosphorus pesticide residues determination
1 Scope
This standard specifies the method for determination of unpolished rice 50 organophosphorus pesticide residues.
This standard applies to the determination of unpolished rice 50 organophosphorus pesticide residues.
50 kinds of organophosphorus pesticides omethoate except in brown rice, methyl ethyl disulfoton, oxydemeton, bromine parathion, methyl pyridine detection limit of phosphorus
0.01mg/kg, the rest of organophosphorus pesticide detection limits were 0.005mg/kg. See Appendix A. Recovery
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 6682-2008, ISO 3696. 1987, MOD)
Principle 3
Samples were extracted with ethyl acetate, after purification by gel permeation chromatography, gas chromatography with nitrogen - phosphorus detector.
4 Reagents and materials
Unless otherwise specified in this standard reagents used were of analytical grade. Test water should comply with GB/T 6682 stipulated two of water.
4.1 n-hexane (C6H14). chromatography.
4.2 ethyl acetate (C4H8O2). redistilled.
4.3 dichloromethane (CH2Cl2). redistilled.
4.4 Cyclohexane (C12H24). redistilled.
4.5 anhydrous sodium sulfate (Na2SO4). 650 ℃ burning 4h, cooled in a sealed container for later storage.
4.6 Standard. dichlorvos, acephate speed, oxygen dimethoate, methylation uptake, ethoprophos, naled, monocrotophos, phorate, methyl ethyl disulfoton, dimethoate,
Terbufos, phorate, B ethyl parathion, in addition to fenamiphos, methyl parathion, Hypoderma phosphorus, oxydemeton, fenitrothion, pirimiphos-methyl, malathion, poison
Dead ticks, Isocarbophos, poison soil phosphorus, bromine parathion, pirimiphos, sulfur ring phosphorus, phosphorus to safety, chlorfenvinphos, Mecarbam, methidathion, parathion ethyl bromide, finished off sulfur
Phosphorus, pesticides fear, sterilization phosphorus, iodine parathion, propiconazole phosphorus, Profenophos, ethyl parathion, sulfur, phosphorus propionate, methyl pyridine
Phosphorus, blast enemy, phosmet, parathion benzene,
Azinphos-methyl, bromobenzene phosphorus, phosphorus bacteria topiramate, pyraclofos, coumaphos, kill enemy phosphorus, temephos.
4.6.1 Standard stock solution Ⅰ (500μg/mL). Weigh accurately dichlorvos, acephate speed, oxygen dimethoate, methylation uptake, ethoprophos, naled, long
Effect of phosphorus, phorate, methyl ethyl disulfoton, dimethoate, terbufos, phorate, B ethyl parathion, in addition to fenamiphos, methyl parathion, Hypoderma phosphorus, oxydemeton kill
Borer parathion, pirimiphos-methyl, malathion, chlorpyrifos, Isocarbophos, poison soil phosphorus, bromine parathion, pirimiphos, sulfur ring phosphorus, phosphorus to safety, chlorfenvinphos, off
Aphid phosphorus, methidathion, ethyl bromide parathion, parathion finished off, killing fear, sterilization phosphorus, iodine parathion, propiconazole phosphorus, Profenophos, ethyl parathion, sulfur, phosphorus propionate, methyl pyridine
Phosphorus, blast enemy, phosmet, benzene parathion, azinphos-methyl, bromobenzene phosphorus, phosphorus bacteria topiramate, pyraclofos, coumaphos, phosphorus kill the enemy, each temephos
50.0mg, respectively, with n-hexane was dissolved and set the volume to 100mL.
4.6.2 pesticide mixed standard stock solution. Take 0.2mL stock solution Ⅰ (4.6.1), with n-hexane and dilute to 100mL.
4.6.3 pesticide mixed standard working solution Ⅰ. Take 5.0mL pesticide mixed standard stock solution (4.6.2), diluted to 10mL with n-hexane.
4.6.4 pesticide mixed standard working solution Ⅱ. Take 2.5mL pesticide mixed standard stock solution (4.6.2), diluted to 10mL with n-hexane.
4.6.5 pesticide mixed standard working solution Ⅲ. Take 1.5mL pesticide mixed standard stock solution (4.6.2), diluted to 10mL with n-hexane.
4.6.6 pesticide mixed standard working solution Ⅳ. Take 1.0mL pesticide mixed standard stock solution (4.6.2), diluted to 10mL with n-hexane.
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