SN/T 0710-2014 English PDF

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SN/T 0710-2014: Determination of metribuzin residue in cereal for export
Status: Valid

SN/T 0710: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0710-2014	599	Add to Cart	5 days	Determination of metribuzin residue in cereal for export	Valid
SN 0710-1997	639	Add to Cart	5 days	Method for the determination of metribuzin residues in cereals for export	Obsolete

Similar standards

GB/T 5519   SN/T 0800.1   LS/T 6103   SN/T 0800.10   SN/T 0491   SN/T 0695   

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Older Standard (superseded by this standard): SN 0710-1997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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