SN/T 2592.4-2011 English PDFUS$289.00 · In stock  
  Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 2592.4-2011: Determination of organotin compounds in electrical and electronic equipment. Part 4: High performance liquid chromatography-mass spectrometry Status: Valid 
 Basic dataStandard ID: SN/T 2592.4-2011 (SN/T2592.4-2011)Description (Translated English): Determination of organotin compounds in electrical and electronic equipment. Part 4: High performance liquid chromatography-mass spectrometry Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: L04 Classification of International Standard: 31.020 Word Count Estimation: 11,117 Date of Issue: 2011-09-30 Date of Implementation: 2012-04-01 Quoted Standard: GB/T 6682 Regulation (derived from): National Quality Inspection (2011) 492; industry standard filing Notice 2012 No. 4 (No. 148 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the electrical and electronic products, plastic components of tributyltin (TBT), triphenyltin (TPhT) and tri- octyl tin (TOT) (see Appendix A) content of liquid chromatography mass spectrometry (LC-MS) method. This standard applies to electrical and electronic products, plastic components of tributyltin (TBT), triphenyltin (TPhT) and tri- octyl tin (TOT) content. SN/T 2592.4-2011: Determination of organotin compounds in electrical and electronic equipment. Part 4: High performance liquid chromatography-mass spectrometry---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 organotin compounds in electrical and electronic equipment.Part 4. High performance liquid chromatography-mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of organotin compounds in electrical and electronic products Part 4. Liquid Chromatography - Mass Spectrometry Part 4. Highperformanceliquidchromatography-massspectrometry Issued on. 2011-09-09 2012-04-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released Foreword"Determination of electrical and electronic products of organic tin compounds" SN/T 2592 series of standards is divided into six parts. --- Part 1. gas chromatography; --- Part 2. Fourier transform infrared spectroscopy screening method; --- Part 3. Inductively Coupled Plasma Mass screening; --- Part 4. Liquid chromatography - mass spectrometry; --- Part 5. gas chromatography - mass spectrometry; --- Part 6. Inductively coupled plasma atomic emission spectrometry. This section "Measurement of electrical and electronic products, organic tin compounds" SN/T 2592 series of standards - Part 4. 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 Shandong Entry Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau, the Shenzhen People's Republic of China Exit Inspection and Quarantine. The main drafters of this section. Xu Qin, cattle Zengyuan, Ye Xi Wen, Sun Yinfeng, Liu Yinfeng, Zouchun Hai. The first part of the Department of Inspection and Quarantine issued by industry standards. Determination of organotin compounds in electrical and electronic products Part 4. Liquid Chromatography - Mass Spectrometry1 ScopeThis section SN/T 2592 specifies the electrical and electronic products plastic parts tributyltin (TBT), triphenyltin (TPhT) and trioctyl Yl tin (TOT) (see Appendix A) content of liquid chromatography - mass spectrometry (LC-MS) spectrometry. This section applies to electrical and electronic products plastic parts tributyltin (TBT), triphenyltin (TPhT) and tri-octyl tin (TOT) containing Determination of the amount.2 Normative referencesThe 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 Analysis3 Method summaryThe sample was dissolved in tetrahydrofuran, and after methanol precipitation of impurities, to LC-MS was measured and confirmed, external standard.4 Reagents and materialsUnless otherwise specified, the reagents used were of analytical grade. Water should be consistent with GB/T 6682 water level. 4.1 Methanol. HPLC grade. 4.2 acetonitrile. HPLC grade. 4.3 THF. HPLC grade. 4.4 glacial acetic acid. 4.5 tributyltin, triphenyltin and tri-octyl tin Standard. Purity ≥98%, see Appendix A. 4.6 organotin standard stock solution. the standard concentration of the stock solution concentration of organotin cation. Accurately weighed amount of organotin standard Products, with a small amount of methanol dissolved and diluted to volume in a brown flask, the concentration of 1000μg/mL, method of preparation see Appendix B. 4.7 negative sample extract. with free samples of organic tin, different substrates prepared in accordance with 6.1 negative sample extract. 4.8 Matrix standard solution. apply diluted to concentrations of matrix standard as required by the negative sample extract (4.7) standard stock solution Working solution. Reference linear range. TBT, TPhT of 0.1μg/mL ~ 10.0μg/mL; TOT is 0.05μg/mL ~ 5.0μg/mL.5 instruments and equipment5.1 Liquid chromatography - mass spectrometry. with electrospray ionization (ESI). 5.2 Ultrasonic Extractor. 100W, operating frequency 40kHz. 5.3 liquid nitrogen freezer mill or similar equipment. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2592.4-2011_English be delivered?Answer: Upon your order, we will start to translate SN/T 2592.4-2011_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 SN/T 2592.4-2011_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2592.4-2011_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |