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SN/T 0125-2010 (SNT0125-2010)

SN/T 0125-2010_English: PDF (SNT 0125-2010, SNT0125-2010)
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SN/T 0125-2010English549 Add to Cart 4 days [Need to translate] Determination of trichlorfon resdus in meat and meat products for import and export. LC-MS method Valid SN/T 0125-2010

BASIC DATA
Standard ID SN/T 0125-2010 (SN/T0125-2010)
Description (Translated English) Determination of trichlorfon resdus in meat and meat products for import and export. LC-MS method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard X04
Word Count Estimation 21,240
Date of Issue 2010-11-01
Date of Implementation 2011-05-01
Older Standard (superseded by this standard) SN 0125-1992
Quoted Standard GB/T 6682
Drafting Organization Entry-Exit Inspection and Quarantine Bureau of Jilin People's Republic of
Administrative Organization National Certification and Accreditation Administration Committee
Regulation (derived from) National Quality Inspection (2010) 582
Proposing organization National Certification and Accreditation Administration Committee
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Summary This standard specifies the trichlorfon residues in agricultural products by liquid chromatography mass spectrometry/mass spectrometry method for detection and confirmation. This standard applies to exports of canned steamed pork, pork, chicken, beef, fish, sausage, brown rice, corn, onions, walnuts trichlorfon residues.

Standards related to: SN/T 0125-2010

SN/T 0125-2010
Determination of trichlorfon resdus in meat and meat products for import and export. LC-MS method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Replacing SN 0125-1992
Residues in food import and export methods trichlorfon
Liquid chromatography - mass spectrometry/mass spectrometry
Issued on. 2010-11-01
2011-05-01 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 0125-1992 "test method export meat and meat products trichlorfon residues."
This standard compared with SN 0125-1992, the main technical changes are as follows.
--- Use of indicators including the contents of the original standard;
--- Using gas chromatography mass spectrometry;
--- Increase positive confirmation content;
--- Integrated pre-treatment conditions.
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 section proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Jilin People's Republic of China Exit Inspection and Quarantine, People's Republic of China Tianjin Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Li Aijun, Wang Mingtai, Ma Xu, Mu Jun, Lu Lijun, Ma Shumin, Zhou.
This standard supersedes the previous editions are.
--- ZBX71002-1987, ZBX22009-1988, SN 0125-1992.
Residues in food import and export methods trichlorfon
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the agricultural exports trichlorfon residues LC - MS/MS method for the detection and confirmation.
This standard is applicable to the export of canned steamed pork, pork, chicken, beef, fish, sausage, brown rice, corn, onions, walnuts trichlorfon residues
Remaining contents.
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, 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
Samples with cyclohexane ethyl acetate (11 volume) extraction by gel permeation chromatography, eluted with methanol-water (11 volume) constant volume,
For liquid chromatography - mass spectrometry/mass spectrometer, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 Cyclohexane. HPLC fractions.
4.2 Methanol. HPLC fractions.
4.3 ethyl acetate. residual level.
4.4 over anhydrous sodium. 650 ℃ burning 4h, stored in a sealed container for later.
4.5 Cyclohexane Ethyl acetate. (11 volume). amount of 100mL and 100mL cyclohexane, n-hexane, and mix.
4.6 ammonium acetate. pure class distinctions.
4.7 50mmol/L ammonium acetate solution. Weigh 0.385g of ammonium acetate dissolved in 1000mL water.
Trichlorfon 4.8 standard (trichlorfon, CAS number. 52-68-6, molecular formula. C4H8Cl3O4P). not less than 98.0% purity.
4.9 trichlorfon standard stock solution. accurately weighed amount of trichlorfon standards, prepared in methanol at a concentration of 100μg/mL of standard stock
Preparation of the solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator.
4.10 trichlorfon standard solution. as needed trichlorfon standard stock solution (3.10) diluted to a suitable concentration of the standard work with methanol
As a solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator.
4.11 organic microporous membrane. 0.20μm, 0.45μm.
5 instruments and equipment
5.1 Liquid chromatography - mass spectrometry/mass spectrometer. with electrospray ionization (ESI).
...