SN/T 1624: Evolution and historical versions
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| SN/T 1624-2009 | English | 719 |
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Determination of pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues in foods for import and export-GC-MS method
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SN/T 1624-2009
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| SN/T 1624-2005 | English | 879 |
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Inspection of pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues in vegetable and fruit for import and export
| Obsolete |
SN/T 1624-2005
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PDF similar to SN/T 1624-2009
Basic data | Standard ID | SN/T 1624-2009 (SN/T1624-2009) | | Description (Translated English) | Determination of pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues in foods for import and export-GC-MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B31 | | Classification of International Standard | 67.080 | | Word Count Estimation | 18,121 | | Date of Issue | 2009-07-07 | | Date of Implementation | 2010-01-16 | | Older Standard (superseded by this standard) | SN/T 1624-2005 | | Regulation (derived from) | National Quality Inspection [2009] No. 290 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the method of sample preparation and storage conditions as well as cereals, vegetables, fruits, nuts, tea, livestock, poultry, aquatic products, bee products pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin residues the amount of test gas chromatography mass spectrometry. This standard applies to rice, eggplant, apples, chestnuts, tea, beef, chicken, fish, honey pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin residues. | SN/T 1624-2009: Determination of pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues in foods for import and export-GC-MS method
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Determination of pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues in foods for import and export-GC-MS method
Exit inspection and quarantine industry standard book People's Republic of China
Instead of the SN/T 1624-2005
Imported and exported food pyrimethanil, mepanipyrim, myclobutanil,
Detection azoxystrobin residues
Gas chromatography - mass spectrometry
Posted 2009-07-07
2010-01-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Instead of the standard SN/T 1624-2005 "import and export of vegetables and fruits pyrimethanil, mepanipyrim, myclobutanil and azoxystrobin residues
method".
This standard compared with SN/T 1624-2005, the main changes are as follows.
--- Detection matrix consists of four to nine species;
--- Removed sample portion;
--- Extraction and purification process depending on the substrate for the corresponding change.
Appendix A of this standard is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard by the People's Republic of China Exit Inspection and Quarantine of Hebei, Liaoning, People's Republic of China Exit Inspection and Quarantine, the Chinese people
People's Republic of Tianjin Entry-Exit Inspection and Quarantine Inner Mongolia, People's Republic of China drafted.
The main drafters of this standard. Guo Chunhai, Gu Haitao, Wang Fengchi, Chenrui Chun, Duan Wenzhong, Feng Wei, Lin Anqing, Li Gang.
This standard was first released in 2005, this is the first revision.
Imported and exported food pyrimethanil, mepanipyrim, myclobutanil,
Detection azoxystrobin residues
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the sample preparation and storage conditions as well as in cereals, vegetables, fruits, nuts, tea, livestock, poultry, aquatic products, bee
Pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin residues by gas chromatography - mass spectrometry.
This standard applies to rice, eggplant, apples, chestnuts, tea, beef, chicken, fish, honey pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin
Determination of residues.
2 Method summary
With acetone or ethyl acetate, acetone and aqueous sodium chloride samples residues of pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin, menses
Liquid extraction column and GCB/amino column combination, purified by gas chromatography - mass spectrometry in selected ion detection, external standard.
3 Reagents and materials
Unless otherwise specified, reagents were of analytical grade, water is distilled or deionized water.
3.1 acetone. pesticide grade.
3.2 ethyl acetate.
3.3 acetonitrile. HPLC grade.
3.4 toluene.
3.5 n-hexane.
3.6 sodium chloride.
3.7 anhydrous sodium. Burning 4h at 650 ℃, store in a sealed container in the back.
3.8 sodium chloride solution (300g/L). Weigh 300g of sodium chloride dissolved in distilled water and dilute to 1000mL.
3.9 acetonitrile - toluene (3 + 2, volume ratio). Take 20mL of toluene and 30mL acetonitrile and mix.
3.10 acetonitrile - toluene (3 + 1, volume ratio). Take 30mL and 10mL toluene and acetonitrile, mix well.
3.11 acetone - n-hexane (1 + 1, volume ratio). Take 50mL acetone and 50mL hexane, mix well.
3.12 acetonitrile saturated with n-hexane.
3.13 hexane saturated acetonitrile.
3.14 GCB column/amino column composite column. 500mg, 6mL; or GCB column (500mg, 6mL) and amino column
(500mg, 3mL) from top to bottom in tandem.
3.15 pyrimethanil standard. Formula, C12H13N3; CAS No. 53112-28-0; purity ≥99%.
3.16 mepanipyrim standard. Formula, C14H13N3; CAS No. 110235-47-7; purity ≥99%.
3.17 myclobutanil Standard. molecular formula, C15H17ClN4; CAS No. 88671-89-0; purity ≥99%.
3.18 azoxystrobin standards. Formula, C22H17N3O5; CAS No. 131860-33-8; purity ≥99%.
3.19 pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin standard solution. Accurately weigh an adequate amount of pyrimethanil, mepanipyrim, myclobutanil, azoxystrobin standard
Product with acetone formulated to 100μg/mL standard stock solution, the following 5 ℃ storage, use within 6 months. Diluted to the appropriate concentration with acetone
The standard working solution below 5 ℃ storage, use within 3 months.
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