SN/T 2591.1-2010 English PDF
Basic dataStandard ID: SN/T 2591.1-2010 (SN/T2591.1-2010)Description (Translated English): Determination of phthalates in electrical and electronic equipment. Part 1: Gas chromatography Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: L04 Classification of International Standard: 31.020 Word Count Estimation: 8,887 Date of Issue: 2010-05-27 Date of Implementation: 2010-12-01 Regulation (derived from): National Quality Inspection (2010) 290; industry standard filing Notice 2010 No. 10 (No. 130 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the electrical and electronic products, plastic components in the 12 kinds of phthalate esters by gas chromatographic method. This standard applies to electrical and electronic products, plastic components in the 12 kinds of phthalates determination. SN/T 2591.1-2010: Determination of phthalates in electrical and electronic equipment. Part 1: Gas chromatography---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 phthalates in electrical and electronic equipment.Part 1. Gas chromatography People's Republic of China Entry-Exit Inspection and Quarantine Standards Electrical and electronic products Determination of phthalate esters Part 1. Gas Chromatography Part 1. Gaschromatography Issued on. 2010-05-27 2010-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordSN/T 2591 "electrical and electronic products, phthalates Determination" is divided into three parts. --- Part 1. gas chromatography; --- Part 2. Gas chromatography - mass spectrometry; --- Part 3. High Performance Liquid Chromatography. This section SN/T 2591 Part 1. This section drafted in accordance with GB/T 1.1-2009 given rules. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Guangdong Entry-Exit Inspection and Quarantine, Shenzhen People's Republic of China Bureau, People's Republic of China in Nanjing Exit Inspection and Quarantine. The main drafters of this section. Di Cuiping, Dan, Zheng Jianguo, Homocysteine on ZHOU Ming-hui, Liu Yingfeng, Lihua Liang, Liu Li, Jiang Xin. The first part of the Department of Inspection and Quarantine issued by industry standards. Electrical and electronic products Determination of phthalate esters Part 1. Gas Chromatography1 ScopeThis section specifies the gas chromatographic method for electrical and electronic products plastic parts 12 kinds of phthalates. This section applies to the determination of electrical and electronic goods and plastic parts 12 kinds of phthalates.2 Method summaryAfter the samples were frozen and ground with methanol chloroform (12) after a mixed solvent extraction, the extract was filtered, measured by gas chromatography Fixed, external standard.3 Reagents and materialsUnless otherwise specified, all reagents were of analytical grade. 3.1 methanol. 3.2 chloroform. The extract was 3.3. chloroform methanol (12). 3.4 phthalate esters. standard, purity ≥98%. 12 kinds of phthalates material Chinese name, English name, English Text abbreviations, CAS number, and the formula given in Appendix A. Phthalate esters 3.5 standard stock solution. accurately weighed amount of phthalates standard (3.4), to the nearest 0.1mg, respectively, were dissolved and set the volume with methanol (3.1). Preparation of a concentration of 500mg/L of standard stock solution. 3.6 preparation of phthalate esters mixed standard working solution. Pipette respectively concentration of 500mg/L of phthalate esters thereof Quality (3.5) standard stock solution of the appropriate volume, placed in the same volumetric flask, diluted with methanol (3.1) to prepare a mixed standard required concentration Working solution.4 instruments and equipment4.1 Gas chromatograph. with hydrogen flame detector (FID). 4.2 microwave extraction instrument. extraction tank with polytetrafluoroethylene material. 4.3 mill or similar device. 4.4 Pipette. 10mL. 4.5 needle filter head. 0.45μm.5 Sample PreparationThe sample was broken into small pieces less than 1cm × 1cm, and after freezing in liquid nitrogen, using a mill (4.3) crushed to a particle size of less than 1mm particles. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2591.1-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2591.1-2010_English as soon as possible, and keep you informed of the progress. 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