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SN/T 0710-2014: Determination of metribuzin residue in cereal for export
Status: Valid SN/T 0710: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 0710-2014 | English | 599 |
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Determination of metribuzin residue in cereal for export
| Valid |
SN/T 0710-2014
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| SN 0710-1997 | English | 639 |
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Method for the determination of metribuzin residues in cereals for export
| Obsolete |
SN 0710-1997
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PDF similar to SN/T 0710-2014
Basic data | Standard ID | SN/T 0710-2014 (SN/T0710-2014) | | Description (Translated English) | Determination of metribuzin residue in cereal for export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B20 | | Classification of International Standard | 67.060 | | Word Count Estimation | 23,271 | | Date of Issue | 12/1/2014 | | Date of Implementation | 5/1/2015 | | Older Standard (superseded by this standard) | SN 0710-1997 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | State-Quality-Inspection-accreditation [2014] 614 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the cereals for export metribuzin residues in liquid chromatography - mass spectrometry/mass spectrometry method, gas chromatography and gas chromatography - mass spectrometry confirmed methods. This standard is applicable to the e | SN/T 0710-2014: Determination of metribuzin residue in cereal for export---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.
(Metribuzin in cereals for export Residue testing methods)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Replacing SN 0710-1997
Cereals for export metribuzin residues in
Issued on. 2014-11-19
2015-05-01 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 0710-1997 "cereals for export metribuzin residues in."
This standard compared with SN 0710-1997, the main technical changes are as follows.
--- Modify the standard name;
--- Increased liquid chromatography - mass spectrometry/mass spectrometry;
--- Increasing the scope of application.
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. Chinese Academy of Inspection and Quarantine, Beijing Inspection and Quarantine Technology Center.
The main drafters of this standard. Linyuan Hui, Fang Shu positive, Feng Feng, Chu Xiaogang, Lingyun, Yong Wei, Li Yuyu, Jiang Pingping, Wang Zhen.
This standard replaces the standards previously issued as follows.
--- SN 0710-1997.
Cereals for export metribuzin residues in
1 Scope
This standard specifies the cereals for export metribuzin residues in liquid chromatography - mass spectrometry/mass spectrometry method, gas chromatography and gas chromatography
Spectrum - and MS methods.
This standard is applicable to the export of rice, corn measured metribuzin 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 Preparation and Storage of samples
3.1 Sample Preparation
Take a representative sample of about 1kg, take the edible part, by masher fully broken evenly into clean containers, sealed and labeled.
3.2 Sample preservation
Sample was stored at 4 ℃. In the sampling and sample preparation operation, should prevent sample contamination or the occurrence of residual content
Variety.
The first method by liquid chromatography - mass spectrometry/mass spectrometry
4 Method summary
Sample extraction with acetone, the polymer solid-phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometry, external standard.
5 Reagents and materials
Unless otherwise specified, reagents were HPLC grade water as a water according to GB/T 6682 regulations.
5.1 acetonitrile.
5.2 methanol.
5.3 acetone.
5.4 formic acid.
5.5 methanol. water (595 by volume). 5mL of methanol (5.2) and 95mL of water are mixed, shaken thoroughly.
5.6 acetonitrile. water (1090, volume ratio). A 10mL acetonitrile (5.1), and 90mL of water were mixed, shaken thoroughly.
5.7 Mobile phase A. 0.1% formic acid, formic acid taken 250μL (5.4), was dissolved in 250mL of water, through 0.22μm membrane.
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