SN/T 0520-2012 English PDF

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SN/T 0520-2012: Determination of imazalil in cereals for export. HPLC-MS/MS method
Status: Valid

SN/T 0520: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0520-2012	469	Add to Cart	3 days	Determination of imazalil in cereals for export. HPLC-MS/MS method	Valid
SN 0520-1996	519	Add to Cart	4 days	Method for the determination of imazalil residues in cereals for export	Obsolete

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Basic data

Standard ID: SN/T 0520-2012 (SN/T0520-2012)
Description (Translated English): Determination of imazalil in cereals for export. HPLC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X11
Classification of International Standard: 67.060
Word Count Estimation: 18,171
Date of Issue: 12/12/2012
Date of Implementation: 7/1/2013
Older Standard (superseded by this standard): SN 0520-1996
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-accreditation (2012) 777; Industry Standard Filing Notice 2013 No. 9 (Overall No. 165)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the method for determination of cereals for export ene benomyl residues. This standard applies to wheat, barley, rice, sorghum, corn, brown rice ene carbendazim residues in liquid chromatography - mass spectrometry/mass spectrometr

SN/T 0520-2012: Determination of imazalil in cereals for export. HPLC-MS/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 imazalil in cereals for export.HPLC-MS/MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0520-1996 Residue Determination of cereals for export ene benomyl Liquid chromatography - mass spectrometry/mass spectrometry HPLC-MS/MSmethod Issued on. 2012-12-12 2013-07-01 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 0520-1996 "cereals for export ene bacteria residues in spirit." Compared with SN 0520-1996, in addition to editorial changes outside the main technical changes are as follows. --- Change the standard name; --- Liquid Chromatography - UV detection method is changed to liquid chromatography - mass spectrometry/mass spectrometry, lower detection limit; --- Modify the pre-treatment methods. 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, Xiamen People's Republic of China Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Zhou Yao, Yi Xiong Hai, Ye Peng, Fan Xiang, Sheng Yonggang, Tang Yifeng Zhu Jian. This standard replaces the standards previously issued as follows. --- SN 0520-1996. Residue Determination of cereals for export ene benomyl Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the method for determination of cereals for export ene benomyl residues. This standard applies to wheat, barley, rice, sorghum, maize, rice residues ene benomyl liquid chromatography - mass spectrometry/mass spectrometer.

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

Specimen under anhydrous sodium sulfate and sodium chloride salting, were extracted with acetonitrile, liquid chromatography and then by water dilution - mass spectrometry/mass spectrometer Fixed, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water line with GB/T 6682 regulations. 4.1 acetonitrile. high performance liquid chromatography. 4.2 anhydrous sodium sulfate. AR, 650 ℃ burning 4h, cooled storage in a closed container in the back. 4.3 sodium chloride. 4.4 formic acid. purity ≥99%. 4.5 aqueous acetonitrile. water. acetonitrile (73, volume ratio). 4.6 0.1% formic acid solution. 1mL acid is dissolved in water and dilute to 1L. 4.7 Pesticide Standards. ene bacteria Ling (Imazalil, CAS number. 35554-44-0). purity ≥98.0%. 4.8 preparation of standard stock solution. accurately weighed amount of ene benomyl standards, formulated as acetonitrile concentration of 1.0mg/mL standard Quasi stock solution. The solution was stored at -18 ℃ refrigerator for a period of 12 months. Preparation 4.9 standard intermediate solution. diluted with acetonitrile standard stock solution to a final concentration of about 1.0μg/mL, less than 4 ℃ cold dark Tibetan save for a period of six months. Preparation of standard solution of 4.10. necessary, standard intermediate solution absorb a certain amount of temporary use with aqueous acetonitrile (4.5) formulated as Appropriate concentrations of mixed standard working solution. Refrigerated below 4 ℃ dark, using now. 4.11 microporous membrane. 0.22μm, organic.

5 instruments and equipment

5.1 Liquid chromatography - mass spectrometry/mass spectrometer. with electrospray ionization (ESI). ......

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