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SN/T 0218-2014 English PDF

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SN/T 0218-2014: Determination of pyrethrins residues in cereals for export. GC-MS method
Status: Valid

SN/T 0218: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SN/T 0218-2014English419 Add to Cart 3 days [Need to translate] Determination of pyrethrins residues in cereals for export. GC-MS method Valid SN/T 0218-2014
SN 0218-1993English399 Add to Cart 3 days [Need to translate] Method for the determination of pyrethrins residuesin cereals for export Obsolete SN 0218-1993

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Basic data

Standard ID SN/T 0218-2014 (SN/T0218-2014)
Description (Translated English) Determination of pyrethrins residues in cereals for export. GC-MS method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard X11
Classification of International Standard 67.060
Word Count Estimation 16,122
Older Standard (superseded by this standard) SN 0218-1993
Quoted Standard GB/T 6682
Regulation (derived from) AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies) General Administration of Customs
Summary This Standard specifies the Grains natural pyrethrin residual gas chromatography - mass spectrometry methods. This Standard applies to barley, wheat, maize, rice, brown rice and sorghum, natural pyrethrin (pyrethrin I, pyrethrin II, cineraria vegetarian I

SN/T 0218-2014: Determination of pyrethrins residues in cereals for export. GC-MS method

---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 pyrethrins residues in cereals for export.GC-MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0218-1993 Export natural pyrethrin residual total cereal grains Detection methods Gas Chromatography - Mass Spectrometry GC-MSmethod Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces SN 0218-1993 "natural pyrethrin residues in cereals for export." This standard compared with SN 0218-1993, the main changes are as follows. --- Applicable scope to expand the rice barley, wheat, maize, rice, brown rice and sorghum; --- Omitted sampling procedure. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai Institute of Standardization, People's Republic of China Foshan CIQ. The main drafters of this standard. Yanghui Qin, Yang Rui Yu, Danping Iraqi male sea, Zhu Jian, Guo Dehua. This standard replaces the standards previously issued as follows. --- SN 0218-1993. Export natural pyrethrin residual total cereal grains Detection methods Gas Chromatography - Mass Spectrometry

1 Scope

This standard specifies the natural pyrethrin in cereals residues by gas chromatography - mass spectrometry method. This standard applies to barley, wheat, maize, rice, sorghum, rice and natural pyrethrins (pyrethrum Ⅰ, pyrethrin Ⅱ, melon leaves Ju Su Ⅰ, cineraria prime Ⅱ, jasmine daisy prime Ⅰ, jasmine Ju Su Ⅱ) detection and confirmation of the total amount of residues.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample remaining natural pyrethrin extracted with ether, the extract was Florisil SPE column gas chromatography - mass spectrometer, External standard quantitative.

4 reagent material

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 ether. chromatography. 4.2 hexane. chromatographically pure. 4.3 acetone. chromatography. 4.4 anhydrous sodium. at 650 ℃ in burning 4h, stored in a sealed container in the back. 4.5 ether - acetone - n-hexane (442 volume) solution. Measure 400mL of diethyl ether, 400mL acetone and 200mL hexane to 1000mL reagent bottle. 4.6 pesticide mixed standard materials. pyrethrin Ⅰ (pyrethrinⅠ, CAS. 121-21-1), pyrethrin Ⅱ (pyrethrinⅡ, CAS. 121-29-9), cineraria hormone Ⅰ (cinerinⅠ, CAS. 25402-06-6), cineraria prime Ⅱ (cinerinⅡ, CAS. 121-20-0), jasmine chrysanthemum Su Ⅰ (jasmolinⅠ, CAS. 4466-14-2), Jasmine Ju Su Ⅱ (jasmolinⅡ, CAS. 1172-63-0). Preparation 4.7 mixed standard stock solution. Weigh about 0.01g (accurate to 0.0001g) in 10mL pyrethrin tolerance standard mixture Flask with acetone formulated to about 1000μg/mL standard stock solution of less than 5 ℃ stored. Preparation of intermediate 4.8 mixed standard solution (10.0μg/mL). Each of the above criteria Pipette 1.00mL stock solution to 100mL volumetric flask And diluted with acetone to the mark, less than 5 ℃ stored. 4.9 Florisil cartridge. 6mL (0.5g), or equivalent person.

5 instruments and equipment

5.1 Gas chromatography - mass spectrometry. with (EI) ion source.

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