SN/T 0159-2012 English PDF

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SN/T 0159-2012: Determination of BHC, DDT, aldrin, dieldrin and heptachlor residues in fruits for export. Gas chromatography method
Status: Valid

SN/T 0159: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0159-2012	519	Add to Cart	4 days	Determination of BHC, DDT, aldrin, dieldrin and heptachlor residues in fruits for export. Gas chromatography method	Valid
SN 0159-1992	239	Add to Cart	2 days	Method for determination of aldrin, dieldrin and heptachiorresidues in fruit for export	Obsolete

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Basic data

Standard ID: SN/T 0159-2012 (SN/T0159-2012)
Description (Translated English): Determination of BHC, DDT, aldrin, dieldrin and heptachlor residues in fruits for export. Gas chromatography method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X24
Classification of International Standard: 67.080.10
Word Count Estimation: 20,287
Date of Issue: 12/12/2012
Date of Implementation: 7/1/2013
Older Standard (superseded by this standard): SN 0159-1992
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-accreditation (2012) 777; Industry Standard Filing Notice 2013 No. 9 (Overall No. 165)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the BHC, DDT, aldrin, dieldrin and heptachlor determination of residues in fruits for export. This standard applies to oranges, navel oranges, apples BHC, DDT, aldrin, dieldrin and heptachlor residues measured.

SN/T 0159-2012: Determination of BHC, DDT, aldrin, dieldrin and heptachlor residues in fruits for export. 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 BHC, DDT, aldrin, dieldrin and heptachlor residues in fruits for export.Gas chromatography method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0159-1992 Export fruit BHC, DDT, aldrin, Dieldrin, heptachlor residues in the determination Gas Chromatography DeterminationofBHC, DDT, aldrin, dieldrin 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. This standard replaces SN 0159-1992 "fruit for export aldrin, dieldrin, heptachlor residues in." This standard compared with SN 0159-1992, in addition to editorial changes outside the main technical amendments are as follows; --- Modify the standard name; the "test method" to "measured"; the name of increased "BHC", "DDT", "GC"; --- Standard Scope adds orange, apple; --- Original standard "2 sampling and sample preparation" to "6 Sample preparation and preservation"; --- Modify the original sample before standard processing methods; the column to commodity SPE column (TPT); --- Original criteria used to fill the column capillary column. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangxi Exit Inspection and Quarantine. The main drafters of this standard. Left Hagen, Zhou Pingyong, accounting Chunrui, Li Rukun, Guo Ping, Wei Yunlong, Zhu Jianxin. Original standard was first released in 1992, this is the first revision. Export fruit BHC, DDT, aldrin, Dieldrin, heptachlor residues in the determination Gas Chromatography

1 Scope

This standard specifies the BHC and DDT, aldrin, dieldrin and heptachlor determination of residues in fruits for export. This standard applies to oranges, navel oranges, apples BHC, DDT, aldrin, dieldrin and heptachlor residues determination.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample residual BHC and DDT, aldrin, dieldrin, heptachlor with acetone - petroleum ether extract by solid phase extraction (SPE), with Equipped with electron capture detector of gas chromatography, internal standard.

4 Reagents and materials

Except where noted, all reagents were of analytical grade water as a water line with GB/T 6682 regulations. 4.1 acetone. HPLC grade. 4.2 petroleum ether. boiling range 30 ℃ ~ 60 ℃. 4.3 hexane. HPLC grade. Ethyl acetate 4.4. HPLC grade. 4.5 acetone - petroleum ether (14 volume). Measure 20mL of acetone and 80mL of petroleum ether, and mix. 4.6 ethyl acetate - n-hexane (19 volume). the amount of 10mL and 90mL ethyl acetate, n-hexane, and mix. 4.7 standards organochlorine pesticides. aldrin, dieldrin, heptachlor, α- BHC, β- BHC, γ- BHC, δ- BHC, p, p'- DDE , o, p'- DDT, p, p'- DDD, p, p'- DDT concentration was 100μg/mL, see Appendix A in Table A.1. 4.8 Internal Standard Standard. heptachlor epoxide (Heptachlorepoxide, CAS number. 1024-57-3), purity ≥99%. 4.9 internal standard stock solution. accurately weighed amount of heptachlor epoxide standards, with n-hexane formulated into standard stock solution 100μg/mL of. 0 ℃ ~ 4 ℃ dark preservation, valid for one year. 4.10 intermediate mixed standard solution. Pipette appropriate amount of standard (4.7), diluted with n-hexane for the component concentration of 5μg/mL of mixed standard Intermediate solution. 0 ℃ ~ 4 ℃ stored. 4.11 intermediate internal standard solution. Pipette appropriate amount of internal standard stock solution was diluted with n-hexane at a concentration of 1μg/mL of internal standard intermediate solution. 0 ℃ ~ 4 ℃ stored. 4.12 standard series working solution. Pipette appropriate amount of the intermediate mixed standard solution (4.10), formulated as appropriate diluted concentration of standard series with n-hexane ......

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