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SN/T 3376-2012: Determination of organochlorine pesticides in timber and wood products. Gas chromatography method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3376-2012 | English | 239 |
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Determination of organochlorine pesticides in timber and wood products. Gas chromatography method
| Valid |
SN/T 3376-2012
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Standard similar to SN/T 3376-2012 SN/T 5268 Basic data | Standard ID | SN/T 3376-2012 (SN/T3376-2012) | | Description (Translated English) | Determination of organochlorine pesticides in timber and wood products. Gas chromatography method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Word Count Estimation | 9,910 | | Regulation (derived from) | National Quality Inspection (2012) 777; industry standard filing Notice 2013 No. 4 (No. 160 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the timber and wood products in the ��- BHC, ��- BHC, ��- BHC, BHC, heptachlor, aldrin, chlordane, dieldrin, 2, 4 ' DDT, 4, 4 ' DDT 10 kinds of organochlorine pesticides Gas chromatographic method. This standard applies to wood and wo | SN/T 3376-2012: Determination of organochlorine pesticides in timber and wood products. Gas chromatography 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 organochlorine pesticides in timber and wood products.Gas chromatography method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Wood and wood products Determination of organochlorine pesticides
Gas chromatography
Issued on. 2012-12-12
2013-07-01 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.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong CIQ.
The main drafters of this standard. Ye Xi Wen, Niu Zengyuan, Hui Wang Hui, Zhangqing Zhi, Luo Xin, Wang Xinghua.
Wood and wood products Determination of organochlorine pesticides
Gas chromatography
1 Scope
This standard specifies the wood and wood products in BHC α-, β- BHC, γ- BHC, δ- BHC, heptachlor, aldrin, chlordane, dieldrin
Agent, 2,4'-DDT, 4,4'-DDT gas chromatographic method for 10 organochlorine pesticides.
This standard applies to wood and wood products Determination of organochlorine pesticides.
Principle 2
The sample was acetone - n-hexane mixed solvent ultrasonic extraction and concentrated by electron capture detector with a gas chromatograph (GC-ECD)
Determination, external standard.
3 Reagents and materials
Unless otherwise specified, use only analytical reagent.
3.1 over anhydrous sodium sulfate, the content of ≥99%.
3.2 acetone. chromatography.
3.3 hexane. chromatographically pure.
3.4 acetone - n-hexane mixed solution. acetone (3.2) n-hexane (3.3) = 19.
3.5 organochlorine Standard. Purity ≥97%, see Table A.1.
3.6 standard stock solution. namely, accurately weighed amount of each organic chlorine standards with acetone - n-hexane mixed solution (3.4) were formulated
A concentration of 1000μg/mL standard stock solution. Cold storage preservation, valid for 12 months.
3.7 standard solution. n-hexane (3.3) standard stock solution (3.6) into a serial dilution series of mixed standard applicable concentration needed
Quasi working solution, the linear range of the reference 0.005μg/mL ~ 0.5μg/mL.
4 instruments and equipment
4.1 Gas chromatograph. with ECD detector.
4.2 Analysis of balance. a sense of the amount of 1mg and 0.1mg.
4.3 Ultrasonic cleaning. the operating frequency of 40kHz.
4.4 centrifuge.
4.5 Cutting Mill or the like.
4.6 heart-shaped bottle.
4.7 rotary evaporator.
4.8 40mL glass vial.
4.9 Membrane. PTFE material, 0.22μm.
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