SN/T 0393-2013 English PDFSN/T 0393: Historical versions
Basic dataStandard ID: SN/T 0393-2013 (SN/T0393-2013)Description (Translated English): Determination of total mercury in seafood for exports Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X20 Word Count Estimation: 26,276 Older Standard (superseded by this standard): SN/T 0393-1995 Quoted Standard: GB/T 601; GB/T 6682 Regulation (derived from): National quality recognition (2013) 569 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the total mercury content in fish export inspection methods. This standard is applicable to the export of aquatic products in the determination of total mercury. SN/T 0393-2013: Determination of total mercury in seafood for exports---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 total mercury in seafood for exports People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0393-1995 Total mercury in aquatic products export inspection methods Issued on. 2013-11-06 2014-06-01 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. Instead of the standard SN/T 0393-1995 "export of aquatic mercury content test method." This standard compared with SN/T 0393-1995, in addition to editorial changes, the major technical changes are as follows. --- Increased atomic fluorescence spectrometry (AFS) and inductively coupled plasma mass spectrometry (ICP-MS) as the first law of this standard and The second method. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shandong CIQ. The main drafters of this standard. Jiang Zhigang, Wang Yanting, Zhang Shuai, Li Jing, Xu Qin, Rui Zong, Gao Jianguo, Gong Ziyi, even Reckoning, Lize Yao. This standard replaces the standards previously issued as follows. --- SN/T 0393-1995. Total mercury in aquatic products export inspection methods1 ScopeThis standard specifies the content of mercury in aquatic products export inspection methods. This standard applies to exports determination of total mercury in aquatic products.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. Preparation of GB/T 601 chemical reagent standard titration solution Laboratory use specifications and test methods GB/T 6682 Analysis Preparation and preservation of samples 3 3.1 Preparation of the sample Take appropriate sample inspection of aquatic products edible parts, broken with a homogenizer and mix thoroughly, quartering reduced separation less than 250g, loaded Qing Clean sample bags, sealed and marked with tags. Save 3.2 sample Samples frozen at -18 ℃. Fresh or frozen samples can be stored at 2 ℃ ~ 6 ℃ 72h. First Atomic Fluorescence Spectrometry Principle 4 Samples after microwave digestion in acidic medium, the test solution of potassium borohydride reduction of mercury into mercury atoms by a carrier gas (argon) into the original Son of the vessel, at a special mercury hollow cathode lamp illumination, the ground state mercury atoms are excited to high energy state, the deactivation to the ground state, emitting characteristics Wavelength fluorescence, and fluorescence intensity is proportional to the mercury content. Quantitative comparison with the standard series.5 Reagents and Instruments5.1 Reagents Unless otherwise indicated in the analysis using only recognized as analytical reagents, test water line with GB/T 6682 in two water Provisions. 5.1.1 nitrate (excellent pure). 5.1.2 nitric acid solution (19, volume ratio). 5.1.3 nitric acid solution (5% volume fraction). ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 0393-2013_English be delivered?Answer: Upon your order, we will start to translate SN/T 0393-2013_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 0393-2013_English with my colleagues?Answer: Yes. 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