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Determination of organochlorine and pyrethroid pesticides multiresidues in Chinese herbal medicine for export
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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 | 26,298 |
| 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 |
Similar standards
GB/T 41907|SN/T 4806|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-
...
