SN/T 0529-2013 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0529-2013	679	Add to Cart	5 days	Determination of methoxychlor residues in meat for export. GC/MS method	Obsolete
SN 0529-1996	519	Add to Cart	4 days	Method for determination of methoxychlor residuesin meat for export	Obsolete

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Basic data

Standard ID: SN/T 0529-2013 (SN/T0529-2013)
Description (Translated English): Determination of methoxychlor residues in meat for export. GC/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B40
Word Count Estimation: 17,144
Older Standard (superseded by this standard): SN 0529-1996
Regulation (derived from): ?AQSIQ About publishing 2013 First Batch 179-items Entry-Exit Inspection and Quarantine industry standard Announcement; Industry-Standard-Filing Announcement 2013 No. 9 (Total No. 165)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the methoxychlor residues by gas chromatography/mass spectrometry methods in meat exports. This standard applies to exports of chicken, determination pork methoxychlor residues, duck.

SN/T 0529-2013: Determination of methoxychlor residues in meat for export. GC/MS method

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Determination of methoxychlor residues in meat for export.GC/MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0529-1996 Meat exports methoxychlor residues in Gas Chromatography/Mass Spectrometry GC/MSmethod Issued on. 2013-03-01 2013-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces SN 0529-1996 "methoxychlor residues in meat exports in." This standard compared with SN 0529-1996, the main technical changes are as follows. --- Standard name was changed to "export DDT residues in meat-methoxy test methods Gas Chromatography/Mass Spectrometry"; --- Removed sample portion; --- The packed column replaced with a capillary column; --- Gas Chromatography - Mass Spectrometry and confirmed the determination to replace gas chromatography - electron capture detector. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Weifang Exit Inspection and Quarantine. The main drafters of this standard. Sun Jun, Lv Jianxia, Tianguo Ning, Gong Xiao Ming, Liu Yongqiang, Dong Jing, Zhang Jing. This standard was first published in 1996, this is the first revision. Meat exports methoxychlor residues in Gas Chromatography/Mass Spectrometry

1 Scope

This standard specifies the methoxychlor residue gas chromatography/mass spectrometry method in meat exports. This standard applies to exports of chicken, duck, pork methoxychlor residue contents.

2 Method summary

Samples methoxychlor ethyl acetate - cyclohexane (11, volume ratio) extraction, after extraction was concentrated by gel permeation chromatography (GPC) system, eluted with ethyl acetate - cyclohexane elution (11, volume ratio) eluate was concentrated to dryness, after constant volume, gas chromatography - mass spectrometry Selected ion monitoring, external standard.

3 Reagents and materials

All reagents, unless otherwise indicated, all pesticide grade, double distilled water. 3.1 ethyl acetate. 3.2 cyclohexane. 3.3 n-hexane. 3.4 anhydrous sodium sulfate. AR, before scorching 4h at 650 ℃, stored in a desiccator, cool reserve. 3.5 methoxychlor standards (Methoxychlor, C16H15Cl3O2, molecular weight. 345.66, CAS number. 72-43-5). Purity ≥99%. 3.6 methoxychlor standard solution. dissolve 10.0mg methoxychlor standards in a small amount of n-hexane, n-hexane and dilute to 100mL, Shaken, as the standard stock solution, the concentration of 100μg/mL. N-hexane as needed and then diluted appropriately dubbed the concentration of the standard work As a solution.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry. source with electron impact (EI). 4.2 Organization mashed machines. 4.3 homogenizer. 4.4 rotary evaporator. 4.5 Balance. a sense of 0.1mg and 0.01g each one. 4.6 centrifuge. 4.7 Gel Permeation Chromatography (GPC). Bio-BeadsS-X3 built purification column packing. 4.8 vortex mixer.

5 Sample Preparation and Storage

5.1 Preparation of the sample Retrieve the original sample taken from a representative portion of the sample, the edible parts of the organization into a high-speed stamp mill crushed evenly. Mixed well ......

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