SN/T 1877.8-2011 English PDF
Basic dataStandard ID: SN/T 1877.8-2011 (SN/T1877.8-2011)Description (Translated English): Determination of polycyclic aromatic hydrocarbons in wood and wood products. Gas chromatography-mass spectrometry method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: B69 Classification of International Standard: 79.040 Word Count Estimation: 9,951 Date of Issue: 2011-02-25 Date of Implementation: 2011-07-01 Regulation (derived from): ?AQSIQ-Inspection [2011] 90 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the timber and wood products, such as Cai 16 PAHs (see Appendix A), gas chromatography-mass spectrometry methods. This section applies to the determination of 16 PAHs in wood and wood products, such as Cai. SN/T 1877.8-2011: Determination of polycyclic aromatic hydrocarbons in wood and wood products. Gas chromatography-mass spectrometry 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 polycyclic aromatic hydrocarbons in wood and wood products.Gas chromatography-mass spectrometry method People's Republic of China Entry-Exit Inspection and Quarantine Standards Wood and wood products Determination of Polycyclic Aromatic Hydrocarbons Gas chromatography - mass spectrometry Issued on. 2011-02-25 2011-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordSN/T 1877 series of standards is divided into eight sections. --- Part 1. Determination of PAHs release agent; --- Part 2. Determination of plastic raw materials and products of polycyclic aromatic hydrocarbons; --- Part 3. Determination of mineral oil, polycyclic aromatic hydrocarbons; Determination of Polycyclic Aromatic Hydrocarbons in rubber products and;. Part 4 of --- --- Part 5. Determination of polycyclic aromatic hydrocarbons in the surface of metal containers; --- Part 6. paint, ink and its products in the determination of polycyclic aromatic hydrocarbons; --- Part 7. Determination of PAHs in tires by gas chromatography - mass spectrometry; --- Part 8. wood and wood products of polycyclic aromatic hydrocarbons by gas chromatography - mass spectrometry. This section SN/T 1877 Part 8. 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 Fujian Exit Inspection and Quarantine. The main drafters of this section. Jiang Xiaoli, Liang Ming, Tang Xi, Wengruo Rong, Chen Min reality. Wood and wood products Determination of Polycyclic Aromatic Hydrocarbons Gas chromatography - mass spectrometry1 ScopeSN/T 1877 provisions of this part of the wood and wood products of naphthalene and other 16 kinds of polycyclic aromatic hydrocarbons (see Appendix A), gas chromatography - mass detection Measuring method. This section applies to the determination of 16 PAHs wood and wood products in naphthalene.2 Terms and definitionsThe following terms and definitions apply to this document. 2.1 PAHs polycyclicaromatichydrocarbons; PAHs Containing two or more aromatic benzene rings. The ring may also have a short alkyl or cycloalkyl substituent. PAHs in this section Especially US EPA Method designated priority monitoring of 16 PAHs. Principle 3 After sample extraction, processing of the extract was concentrated, purified by silica gel column small, concentrated volume with GC-MS was measured internal standard Statutory amount.4 Reagents and materials4.1 dichloromethane. chromatography. 4.2 hexane. chromatographically pure. 4.3 acetone. AR. 4.4 n-hexane - acetone solution (11, volume ratio). 4.5 n-hexane - methylene chloride solution (32, volume ratio). 4.6 PAHs standard substance. not less than 99.0% purity or known content. Preparation 4.7 PAHs standard substance mixed standard solution. Accurately weighed amount of PAHs standard, dissolved diluted with n-hexane (4.2) with Standard solution prepared at the desired concentration. 4.8 internal standard perylene -d12 (Perylene-d12). Content ≥99.5%. 4.9 preparation of the internal standard. accurately weighed amount of internal standard, dissolved diluted with n-hexane (4.2), formulated as an internal standard solution of the desired concentration. 4.10 SPE column. silica gel, 2g packing, 6mL.5 instruments and equipment5.1 Gas chromatography - mass spectrometry. with electron impact ionization (EI). 5.2 microwave extraction instrument. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1877.8-2011_English be delivered?Answer: Upon your order, we will start to translate SN/T 1877.8-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of SN/T 1877.8-2011_English with my colleagues?Answer: Yes. 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