SN/T 2688-2010 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 2688-2010: Determination of polycycliearomatic hydrocarbons in capacitor electrolytes from used electrical and mechanical products. Gas chromatography/mass spectrometry Status: Valid
Basic dataStandard ID: SN/T 2688-2010 (SN/T2688-2010)Description (Translated English): Determination of polycycliearomatic hydrocarbons in capacitor electrolytes from used electrical and mechanical products. Gas chromatography/mass spectrometry Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: J04 Classification of International Standard: 25.010 Word Count Estimation: 9,999 Date of Issue: 2010-11-01 Date of Implementation: 2011-05-01 Regulation (derived from): National Quality Inspection (2010) 582 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the old mechanical and electrical products capacitor electrolyte PAHs GC mass spectrometry. This standard applies to the old mechanical and electrical products Determination of polycyclic aromatic hydrocarbons in electrolyte capacitors. SN/T 2688-2010: Determination of polycycliearomatic hydrocarbons in capacitor electrolytes from used electrical and mechanical products. Gas 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 polycycliearomatic hydrocarbons in capacitor electrolytes from used electrical and mechanical products.Gas chromatography/mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the old mechanical and electrical products PAHs in electrolyte capacitors Gas chromatography - 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 ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. The standard by the China Academy of Inspection and Quarantine is responsible for drafting. The main drafters of this standard. Ma Qiang, Xiao Haiqing, birch, Zhang, Sun Huiyuan, sea seats to Wang Ye, Liu Qian, Wang Han, Wang Chao. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of the old mechanical and electrical products PAHs in electrolyte capacitors Gas chromatography - mass spectrometry1 ScopeThis standard specifies the old mechanical and electrical products in the electrolyte capacitor of polycyclic aromatic hydrocarbons by gas chromatography - mass spectrometry. This standard applies to the determination of the old mechanical and electrical products PAHs in electrolyte capacitors.2 Terms and definitionsThe following terms and definitions apply to this document. 2.1 PAHs PolycyclicAromaticHydrocarbons, PAHs Molecules containing two or more benzene hydrocarbons. PAHs in this section refer to Table 1 of 16 hydrocarbons.3 Method summarySamples with n-hexane - methylene chloride extraction, dried over anhydrous sodium sulfate, filtered, and concentrated by gas chromatography - mass spectrometry measurement.4 Reagents and materialsUnless otherwise indicated, the reagents used were of analytical grade. 4.1 n-hexane, chromatography. 4.2 methylene chloride, chromatography. 4.3 n-hexane - methylene chloride (2 1, V1 V2). 4.4 anhydrous sodium. 650 ℃ burning 3h, after cooling stored in a desiccator. 4.5 PAHs standard stock solution (1000mg/L). Weigh 16 PAHs standard material 0.1000g, with dichloromethane (4.2) and dilute to 100mL flask were dissolved, and frozen stored. 4.6 PAHs mixed standard stock solution (40mg/L). accurate Pipette respectively 16 PAHs standard stock solution (4.5) 1mL to 25mL flask with dichloromethane (4.2) to the mark, refrigerated stored. 4.7 PAHs standard solution. take a certain amount of PAHs mixed standard stock solution (4.6), diluted with dichloromethane (4.2) to prepare a Concentration of 0.05mg/L, 0.1mg/L, 0.5mg/L, 1mg/L, 2mg/L of standard solution. 5. Apparatus 5.1 Gas chromatography - mass spectrometry. 5.2 nitrogen blowing instrument. 5.3 The organic phase membrane, 0.45μm. 5.4 Analytical balance, a sense of the amount of 0.1mg. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2688-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2688-2010_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 2688-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2688-2010_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. |
