GB/T 23205-2008 English PDF
Basic dataStandard ID: GB/T 23205-2008 (GB/T23205-2008)Description (Translated English): Determination of 448 pesticides and related chemicals residues in tea -- LC-MS-MS method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: X04 Classification of International Standard: 67.050 Word Count Estimation: 83,884 Date of Issue: 2008-12-31 Date of Implementation: 2009-05-01 Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 6682 Regulation (derived from): National Standard Approval Announcement 2008 No.27 (Total No.140) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the green tea, tea, tea, Oolong 448 kinds of pesticides and related chemicals (see Appendix A and Appendix E) residues in liquid chromatography-tandem mass spectrometry. This standard applies to green tea, tea, tea, qualitative identification oolong 448 kinds of pesticides and related chemicals residues, also applies to the 418 kinds of pesticides and related chemicals residues quantitatively. 418 kinds of pesticides quantitative determination of the criteria and related chemicals detection limit is 0. 03��g/kg ~ 1. 21mg/kg (see Appendix A). GB/T 23205-2008: Determination of 448 pesticides and related chemicals residues in tea -- LC-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 448 pesticides and related chemicals residues in tea. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Tea 448 pesticides and related chemicals Determination of residues of liquid chromatography - tandem mass spectrometry Posted 2008-12-31 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsPreface Ⅰ 1 Scope 1 2 Normative references 1 3 Principle 1 4 Reagents and materials 1 5 Apparatus 2 6 Sample Preparation and Storage 2 7 measuring step 2 8 4 Calculation Results 9 Precision 5 Appendix A (Informative Appendix) 448 pesticides and related chemicals, the English name, the detection limit, grouping, and mixed solvent selection Combined standard solution concentration 6 Annex B (informative) 448 kinds of pesticides and related chemicals monitoring ion pair, energy collision gas, fragmentation voltage and retention of endogenous Time 20 Appendix C (Informative Appendix) 448 pesticides and related chemicals in multiple reaction monitoring (MRM) chromatogram 35 Annex D (informative) 448 kinds of pesticides and related chemicals precision data in Table 59 Appendix E (Informative Appendix) 448 pesticides and related chemicals English name Chinese control index (in alphabetical order) 73ForewordThe Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E is an information appendix. This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, Tea Research Institute of Chinese Academy of Agricultural Sciences, Tianjin Bo Naaijieer Technology Co., Ltd., Shandong Agricultural University. The main drafters of this standard. Pang Guofang, Chen Zongmao, Caoyan Zhong, Hu Xueyan, Individual Students group Wang Jie, Liang Ping, Luo Fengjian, building positive cloud, Li Yan, Liu Guangming, Tangfu Bin, Zhang Junyan. Tea 448 pesticides and related chemicals Determination of residues of liquid chromatography - tandem mass spectrometry1 ScopeThis standard specifies the green tea, black tea, Pu'er tea, oolong tea 448 pesticides and related chemicals (see Appendix A and Appendix E) residue The amount of liquid chromatography - tandem mass spectrometry. This standard applies to green tea, black tea, Pu'er tea, oolong tea 448 pesticides and related chemicals residues qualitative identification, but also for Quantitative 418 kinds of pesticides and related chemicals residues determination. 418 kinds of standard quantitative determination of this pesticide and related chemicals detection limit was 0.03μg/kg ~ 1.21mg/kg (see Appendix A).2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1-2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Homogenized sample with acetonitrile extraction, solid phase extraction (SPE) eluting with acetonitrile and toluene (3 + 1) pesticides and related chemicals by liquid chromatography Spectrum - tandem mass spectrometer, external standard.4 Reagents and materialsWater as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 Toluene. pure class distinctions. 4.3 acetone. chromatography. 4.4 isooctane. chromatography. 4.5 Methanol. chromatographically pure. 4.6 acetic acid. pure class distinctions. 4.7 sodium chloride. AR. 4.8 microfiltration membrane (nylon). 13mm × 0.2μm. 4.9 CleanertTPT1) SPE. 10mL, 2.0g or equivalent person. 1) CleanertTPT column is Agela company's product trade name, this information is given for the convenience of users of this standard, it does not mean the production Approved products. If other equivalent product has the same effect, you can use these equivalent products. 4.10 0.1% formic acid solution (volume fraction). 4.11 5mmol/L ammonium acetate solution. Weigh 0.375g ammonium acetate diluted with water to 1000mL. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23205-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 23205-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 23205-2008_English with my colleagues?Answer: Yes. 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