SN/T 3871-2014 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 3871-2014: Determination of hexabromocyclododecane in porphyra, kelp and sargassum for export Status: Valid
Basic dataStandard ID: SN/T 3871-2014 (SN/T3871-2014)Description (Translated English): Determination of hexabromocyclododecane in porphyra, kelp and sargassum for export Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X20 Classification of International Standard: 67.120.30 Word Count Estimation: 9,951 Date of Issue: 12/1/2014 Date of Implementation: 5/1/2015 Quoted Standard: GB/T 6682 Regulation (derived from): State-Quality-Inspection-accreditation [2014] 614 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the residual amount of export seaweed, kelp, hijiki Three six HBCD isomers (��-HBCD, ��-HBCD and ��-HBCD) liquid chromatography - tandem mass spectrometry (LC-MS/MS) determination. This standard applies to seaweed, kelp, Sargassum ��-H SN/T 3871-2014: Determination of hexabromocyclododecane in porphyra, kelp and sargassum for export---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 export seaweed, kelp, hijiki in six HBCD content) People's Republic of China Entry-Exit Inspection and Quarantine Standards Export seaweed, kelp, hijiki Six HBCD Determination of Determinationofhexabromocyclododecaneinporphyra, kelpand Issued on. 2014-11-19 2015-05-01 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Han Chao to Yan Fang, Wu Lili, Liu Cuiping, Ou Zhu Zhen, Liu Bin, Chen Hsiang accurate. Export seaweed, kelp, hijiki Six HBCD Determination of1 ScopeThis standard specifies the export seaweed, kelp, hijiki Three six HBCD isomers (α-HBCD, β-HBCD and γ-HBCD) Residues liquid chromatography - tandem mass spectrometry (LC-MS/MS) measurement method. This standard applies to seaweed, kelp, Sargassum α-HBCD, β-HBCD and γ-HBCD residues detection and confirmation.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 summarySamples six HBCD by n-hexane - acetone mixture Soxhlet extraction, solid phase extraction (SPE), liquid chromatography - tandem mass spectrometry Determination of internal standard.4 Reagents and materialsUnless otherwise indicated, the reagents used were of analytical grade, water as a secondary water GB/T 6682 regulations. 4.1 dichloromethane. 4.2 n-hexane. 4.3 acetone. 4.4 Methanol. chromatographically pure. 4.5 acetonitrile. chromatography. 4.6 hexane - acetone (11) solution. take the amount of n-hexane to 1000mL 500mL volumetric flask with acetone to the mark. 4.7 dichloromethane - n-hexane (23) solution. take the amount of methylene chloride to 1000mL 400mL volumetric flask, dilute to n-hexane Scale. 4.8 α-HBCD (C12H18Br6, CAS number. 134237-50-6), β-HBCD (CAS Number. 134237-51-7) and γ-HBCD (C12H18Br6, C12H18Br6, CAS number. 134237-52-8) Standard. concentration was 100μg/mL. 4.9 α-HBCD, β-HBCD and γ-HBCD standard stock solution. lessons standard solution (4.8), diluted with methanol, are formulated into a thick Degree 1000ng/mL of the standard stock solution. 4.10 13C12-β-HBCD standard. a concentration of 50μg/mL. 4.11 13C12-β-HBCD standard stock solution. lessons standard solution (4.10), diluted with methanol to prepare a concentration of 1000ng/mL Standard stock solution. 4.12 contains the isotope within the target mixed series of standard working solution. draw an appropriate amount of standard stock solution (4.9) and internal standard stock solution (4.11), diluted with methanol and formulated into α-HBCD, β-HBCD and γ-HBCD concentration range of 5ng/mL ~ 50ng/mL in the mixed series ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 3871-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 3871-2014_English as soon as possible, and keep you informed of the progress. 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