GB/T 35933-2018 English PDF

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GB/T 35933-2018: Determination for drug residues of toxaphene, synthetic pyrethroid, organophosphorus in greasy wool -- Gas chromatography method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35933-2018	199	Add to Cart	3 days	Determination for drug residues of toxaphene, synthetic pyrethroid, organophosphorus in greasy wool -- Gas chromatography method	Valid

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Basic data

Standard ID: GB/T 35933-2018 (GB/T35933-2018)
Description (Translated English): Determination for drug residues of toxaphene, synthetic pyrethroid, organophosphorus in greasy wool -- Gas chromatography method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.060.10
Word Count Estimation: 10,153
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 35933-2018: Determination for drug residues of toxaphene, synthetic pyrethroid, organophosphorus in greasy wool -- Gas chromatography method

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Determination for drug residues of toxaphene, synthetic pyrethroid, organophosphorus in greasy wool - Gas chromatography method ICS 59.060.10 W04 National Standards of People's Republic of China Lipofectamine, pyrethroid, Determination of organophosphate drug residues by gas chromatography Determinationfordrugresiduesoftoxaphene, syntheticpyrethroid, organophosphorusing reasywool-Gaschromatographymethod 2018-02-06 released 2018-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Fiber Inspection Bureau. This standard by the National Fiber Standardization Technical Committee (SAC/TC513) centralized. This standard was drafted. Lanzhou Institute of Animal Science and Veterinary Medicine, Chinese Academy of Agricultural Sciences, Ministry of Agriculture animal fur and product quality supervision and inspection Test Center (Lanzhou), Gansu Academy of Agricultural Sciences animal husbandry and green agriculture Institute. The main drafters of this standard. Niu Chun'e, Yang Bohui, Xiong Lin, Guo Tianfen, Guo Tingting, Li Xiaorong, Yue Yaojing, Liu Jianbin, Guo Jian, Feng Ruilin, Xu Wenyan. Lipofectamine, pyrethroid, Determination of organophosphate drug residues by gas chromatography

1 Scope

This standard specifies the use of gas chromatography - electron capture detector (gas chromatograph - nitrogen and phosphorus detector) Determination of fat hair poisoning kill Fen, Pyrethroid, organophosphate drug residues. This standard applies to the determination of lipid-containing hair drug residues drug residues, cyhalothrin, cypermethrin, fenvalerate, deltamethrin four Pyrethroid drug residues, as well as methionine, diazinon, desmephos, pterostilbene, pyriphos, chlorpyrifos, 9 kinds of organophosphorus pesticide residues such as flies poison phosphorus.

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 8170 rounded repair rules and limit values of the representation and judgment Wool test sampling method

3 principle

3.1 poison kill Fen, pyrethroid The sample was extracted with n-hexane ether solvent, the extract was purified by neutral alumina solid-phase extraction column and Florisil solid-phase extraction column Using gas chromatography - electron capture detector determination, retention time qualitative, external standard method. 3.2 Organic phosphorus The sample was extracted with n-hexane ether solvent, and the extract was purified by neutral alumina solid-phase extraction column and analyzed by gas chromatography-nitrogen and phosphorus Detector to qualitative retention time, external standard method.

4 Reagents and materials

4.1 n-Hexane. Chromatographic purity; analytical grade. 4.2 n-Hexane ether (2 1, volume ratio) mixed solution. with analytical grade n-hexane and ether preparation. 4.3 n-Hexane Ethyl acetate (95 5, by volume) Mixture solution. Prepared by chromatography on n-hexane and ethyl acetate. 4.4 n-hexane ethyl acetate (1 1, volume ratio) mixed solution. the chromatographic pure hexane and ethyl acetate preparation. 4.5 Solid Phase Extraction Column. Neutral alumina column (1000 mg). 4.6 SPE column. Florisil column (1000mg). 4.7 toxic kill Fen standard material. purity ≥ 78%. 4.8 pyrethroid drug standard substance. purity ≥ 93%. 4.9 Organic phosphorus standard material. purity ≥ 97%. ......

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