GB/T 2795-2008Method for determination of organochlorine and pyrethroid pesticide multiresidues in rabbit tissues - GC-MS method (English PDF)
冻兔肉中有机氯及拟除虫菊酯类农药残留的测定方法 气相色谱/质谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 10, 2008
Implementation date
January 1, 2009
Scope
GB/T 2795-2008 is the English-translated version of 冻兔肉中有机氯及拟除虫菊酯类农药残留的测定方法 气相色谱/质谱法.
GB/T 2795-2008 is the Chinese standard "Method for determination of organochlorine and pyrethroid pesticide multiresidues in rabbit tissues - GC-MS method". Its scope clause reads: This standard specifies the method for determination of frozen rabbit meat 41 organochlorine and pyrethroid pesticide residues by gas chromatography/mass spectrometry.
DDT, heptachlor, heptachlor epoxide, aldrin, dieldrin, endrin, chlordane, tecnazene, PCNB, alpha- endosulfan, beta- endosulfan, sulfur Dan sulfate, hexachlorobenzene, methoxychlor, permethrin, deltamethrin, fenvalerate, S- fenvalerate, fenpropathrin, bifenthrin, cypermethrin Ester, tetramethrin, cyhalothrin, permethrin, cyfluthrin, fenvalerate fluorine, phenothrin, permethrin biological benzyl husband, mites, ethyl alcohol, tris Chlorine mites alcohol, tetradifon, chlorine mites, mites special, bromopropylate 41 kinds of pesticide residues determination.
Principle 2 Sample with a mixed solvent of cyclohexane + ethyl acetate extract homogenization, after concentrated extract by gel permeation chromatography and solid phase extraction, concentration Shrink, gas chromatography - mass spectrometry detection, external standard. Its clauses include reagents and materials.
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Document preview — GB/T 2795-2008
National Standard of the People's Republic of China
- ICS
- 67.060
- Classification
- X 04
- Replacing
- GB/T 2795-1981
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 3 Reagents and materials
- 3.6 n-hexane saturated acetonitrile
- 3.9 anhydrous sodium sulfate, AR
- 3.11 Pesticide standard substance
- 3.14 mixed standard solution
- 3.15 matrix mixed standard working solution
1 Scope
This standard specifies the method for determination of frozen rabbit meat 41 organochlorine and pyrethroid pesticide residues by gas chromatography/mass spectrometry.
DDT, heptachlor, heptachlor epoxide, aldrin, dieldrin, endrin, chlordane, tecnazene, PCNB, alpha- endosulfan, beta- endosulfan, sulfur
Dan sulfate, hexachlorobenzene, methoxychlor, permethrin, deltamethrin, fenvalerate, S- fenvalerate, fenpropathrin, bifenthrin, cypermethrin
Ester, tetramethrin, cyhalothrin, permethrin, cyfluthrin, fenvalerate fluorine, phenothrin, permethrin biological benzyl husband, mites, ethyl alcohol, tris
Chlorine mites alcohol, tetradifon, chlorine mites, mites special, bromopropylate 41 kinds of pesticide residues determination.
Principle 2
Sample with a mixed solvent of cyclohexane + ethyl acetate extract homogenization, after concentrated extract by gel permeation chromatography and solid phase extraction, concentration
Shrink, gas chromatography - mass spectrometry detection, external standard.
3 Reagents and materials
All reagents, unless otherwise indicated, all HPLC grade, double distilled water.
3.1
acetonitrile.
3.2
cyclohexane.
3.3
ethyl acetate.
Cyclohexane mixed solvent of ethyl acetate + 3.4 (1 + 1, volume ratio).
3.5
n-hexane.
3.6 n-hexane saturated acetonitrile
acetonitrile was added 100mL to 100mL of n-hexane, followed by sufficient shaking, standing stratification, lower acetonitrile spare.
3.7
toluene.
3.8
acetone.
3.9 anhydrous sodium sulfate, AR
Front scorching 4h at 650 °C, stored in a desiccator, cool reserve.
3.10
neutral alumina SPE column, 500mg, 3mL or equivalent by. using 2mL n-hexane saturated acetonitrile before activating.
3.11 Pesticide standard substance
purity >=95%.
3.12
standard stock solution.
3.13
Weigh accurately 10mg (accurate to 0.1mg) of each pesticide standards, were placed in 10mL volumetric flask, dissolve and dilute with toluene
To the mark.
3.14 mixed standard solution
According to the nature and the retention time of pesticides, the 41 kinds of pesticides in accordance with Appendix A in Table A. A predetermined concentration into four groups, with toluene
Made of mixed standard solution. Mixed standard solution in the dark at 4 °C, you can use a month.
3.15 matrix mixed standard working solution
A table in accordance with Appendix A. The concentration specified in 1, were taken four mixed standard solution 0,0.05,0.10,0.25,0.5mL, loading
Product matrix blank extract and set the volume to 1.0mL, mix, dubbed four matrix mixed standard working solution, used to draw the standard curve.
Matrix mixed standard working solution before use formulation.
END: Draft Version (GB/T 2795-2008)
GB 5009.204-2025 | GB 5009.232-2016 | GB 5009.226-2016 | GB/T 5494-2026 | GB 5009.308-2025 |
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 2795
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2795-2008 | Method for determination of organochlorine and pyrethroid pesticide multiresidues in rabbit tissues - GC-MS method | current edition | Current |
| GB/T 2795-1981 | Method for determination of organochlorine and pyrethroid pesticide multiresidues in rabbit tissues - GC-MS method | previous edition | Superseded |
This page sells the current edition, GB/T 2795-2008. Earlier editions are listed for reference only.
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