SN/T 2591.3-2010 English PDFUS$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 2591.3-2010: Determination of phthalates in electrical and electronic equipment. Part 3: High performance liquid chromatography Status: Valid
Basic dataStandard ID: SN/T 2591.3-2010 (SN/T2591.3-2010)Description (Translated English): Determination of phthalates in electrical and electronic equipment. Part 3: High performance liquid chromatography Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: L04 Classification of International Standard: 31.020 Word Count Estimation: 9,976 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 11 kinds of phthalate esters by HPLC method. This standard applies to electrical and electronic products, plastic components in the 11 kinds of phthalates determination. SN/T 2591.3-2010: Determination of phthalates in electrical and electronic equipment. Part 3: High performance liquid 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 3. High performance liquid chromatography People's Republic of China Entry-Exit Inspection and Quarantine Standards Electrical and electronic products Determination of phthalate esters Part 3. HPLC Part 3. Highperformanceliquidchromatography 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 3. 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 Exit Inspection and Quarantine, Guangdong, Shandong, People's Republic of China Entry-Exit Inspection and Quarantine Bureau. The main drafters of this section. Liuying Feng, Zheng Jianguo, Homocysteine on ZHOU Ming-hui, Di Cuiping, Ye Xi Wen, Xiao Dahui, Yueda Lei. The first part of the Department of Inspection and Quarantine issued by industry standards. Electrical and electronic products Determination of phthalate esters Part 3. HPLC1 ScopeThis section provides high-performance liquid chromatographic method for electrical and electronic products plastic parts 11 kinds of phthalates. This section applies to the determination of electrical and electronic goods and plastic parts 11 kinds of phthalates.2 Method summaryAfter the samples were frozen and ground with methanol chloroform (12) by a mixed solvent extraction, the extract was dried with nitrogen and then with methanol Dissolved, filtration, high performance liquid chromatography (HPLC) assay, external standard.3 Reagents and materialsUnless otherwise specified, all reagents were of analytical grade, water as a secondary water. 3.1 Methanol. chromatographically pure. 3.2 chloroform. The extract was 3.3. chloroform methanol (12). 3.4 phthalate esters. standard, purity ≥98%. 11 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 High performance liquid chromatograph. equipped with a diode array detector (DAD). 4.2 microwave extraction instrument. extraction tank with polytetrafluoroethylene material. 4.3 mill or similar device. 4.4 tube. 10mL. 4.5 Pipette. 2mL, 10mL. 4.6 nitrogen blowing instrument. 4.7 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. ...... |
