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SN/T 4527-2016 English PDF

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SN/T 4527-2016: Determination of organochlorine and pyrethroid pesticides multiresidues in Chinese herbal medicine for export
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SN/T 4527-2016English599 Add to Cart 5 days [Need to translate] Determination of organochlorine and pyrethroid pesticides multiresidues in Chinese herbal medicine for export Valid SN/T 4527-2016

PDF similar to SN/T 4527-2016


Standard similar to SN/T 4527-2016

GB/T 41907   SN/T 4806   SN/T 4604   SN/T 4458   

Basic data

Standard ID SN/T 4527-2016 (SN/T4527-2016)
Description (Translated English) Determination of organochlorine and pyrethroid pesticides multiresidues in Chinese herbal medicine for export
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard C23
Word Count Estimation 26,262
Date of Issue 2016-06-28
Date of Implementation 2017-02-01
Regulation (derived from) State-Quality-Inspection-Accredidation [2016] No.318
Issuing agency(ies) General Administration of Customs

SN/T 4527-2016: Determination of organochlorine and pyrethroid pesticides multiresidues in Chinese herbal medicine for export


---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 and pyrethroid pesticides multiresidues in Chinese herbal medicine for export People's Republic of China Exit Inspection and Quarantine standards Chinese herbal medicines exported a variety of organic chlorine, pyrethroids Determination of pesticide residues 2016-06-28 release 2017-02-01 Implementation People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009, GB/T.20001.4-2001 requirements. Please note that some of this document may be patentable. The release of this document The agency does not assume responsibility for identifying these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted by the Chongqing Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Cao Shurui, 郗 deposit significant, Tangbubin, Xu Fen, Zheng Xiaoling, Zhang Lei, Li Xianliang, Wang Guomin. Chinese herbal medicines exported a variety of organic chlorine, pyrethroids Determination of pesticide residues

1 Scope

This standard specifies the Chinese herbal medicines hexachlorobenzene, α-BHC, PCNB, γ-BHC, heptachlor, PCA, aldrin, β- VI-BHC, Epichlorohydrin, Triadimefon, α-Endosulfan, p, p'-Diistigmine, Dieldrin, Endrin, op'-DDT, p, p'- drops Drip, p, p'-DDT, Endrin aldehyde, bifenthrin, fenpropathrin, tetramethrin, permethrin, cypermethrin, fenvalerate, deltamethrin Determination of Pesticide Residues by Gas Chromatography. This standard applies to ginseng, Pinellia, yam, Pueraria lobata, Codonopsis and other Chinese herbal medicines in 27 kinds of organochlorine, pyrethroid pesticide residues Determination of the amount.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 analytical laboratory water specifications and test methods

3 method summary

Pesticide residues in the sample were extracted with a mixture of acetone-n-hexane (4. 3, volume ratio), gel permeation chromatography and Florisil solid-phase extraction Purification column, with electronic capture (ECD) detector gas chromatography, external standard method.

4 Reagents and materials

Unless otherwise specified, the reagents used are of analytical grade, water is in line with GB/T 6682 provisions of a water. 4.1 acetone. Chromatography pure. 4.2 acetonitrile. Chromatographic purity. 4.3 Dichloromethane. Chromatographic purity. 4.4 n-hexane. Chromatography pure. 4.5 Ethyl acetate. Chromatographic purity. 4.6 Cyclohexane. Chromatographic purity. 4.7 Acetone - n-hexane (4. 3, volume ratio) Accurately measure 80 mL of acetone (4.1) and 60 mL of n-hexane (4.4). 4.8 Ethyl acetate - cyclohexane (1. 1, volume ratio) Accurately take 500mL ethyl acetate (4.5) and 500mL cyclohexane (4.6), mix well Reserved. 4.9 n-hexane - dichloromethane (2. 8, volume ratio). Accurately take 20mL of n-hexane (4.4) and 80mL of methylene chloride spare. 4.10 Sodium chloride. 4.11 anhydrous sodium sulfate. 400 ℃ muffle furnace 4h, cooled and stored in a sealed dryer spare. 4.12 Reference Materials Hexachlorobenzene, α-BHC, PCNB, γ-BHC, Heptachlor, PCA, Aldrin, β-BHC, δ-

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