SN/T 0647-2013 English PDFSN/T 0647: Historical versions
Basic dataStandard ID: SN/T 0647-2013 (SN/T0647-2013)Description (Translated English): Determination of maleic hydrazide residues in nuts and nut products for export. HPLC method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X24 Classification of International Standard: 67.080.10 Word Count Estimation: 16,151 Older Standard (superseded by this standard): SN 0647-1997 Quoted Standard: GB/T 6682 Regulation (derived from): AQSIQ notification issued in 2013 on the first batch of 179 entry-exit inspection and quarantine of industry standards; industry standard for filing Notice 2013 No. 9 (No. 165 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the definition of dangerous goods exported flexible intermediate bulk containers, requirements, sampling, testing and unqualified disposal. This standard applies to the export of dangerous goods - Performance tests of flexible inte SN/T 0647-2013: Determination of maleic hydrazide residues in nuts and nut products for export. HPLC 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 maleic hydrazide residues in nuts and nut products for export.HPLC method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0647-1997 Nuts and nut products export maleic hydrazide residues HPLC Issued on. 2013-03-01 2013-09-16 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 replaces SN 0647-1997 "export of nuts and nut products maleic hydrazide residues spectrophotometric method." The standard Compared with the quasi SN 0647-1997, in addition to editorial changes outside the main technical changes are as follows. --- Standard name changed to "export nuts and nut products for maleic hydrazide residues HPLC"; --- Method increases the scope of chestnut and its products; Before --- sample processing method by the distillation method to extract purification method; --- Measured by the spectrophotometric method to HPLC. 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. Cong Wei Hung, COLLECE YANG Lijun, Wang Jing, when Wen Chun, Hu Qiaoru, Liu Yumin, Cuifeng Jie, HOU-wide, ultra-Cong. This standard superseded standard previously issued as follows. --- SN 0647-1997. Nuts and nut products export maleic hydrazide residues HPLC1 ScopeThis standard specifies the sample preparation and high performance liquid chromatographic method outlet nuts and nut products maleic hydrazide residues in detection. This standard applies to the determination of products and walnuts, chestnuts and articles maleic hydrazide residues.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated document applies to this article Member. For undated references, the latest edition (including any amendments) applies to this standard. Laboratory use specifications and test methods GB/T 6682 Analysis3 Method summaryAfter the sample hexane, and extracted with methanol, and then purified by C18 column HPLC - UV detector, external standard method Quantified.4 Reagents and materialsUnless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 stipulated. 4.1 Methanol. chromatographically pure. 4.2 hexane. chromatographically pure. 4.3 ammonium acetate. 4.4 sodium hydroxide. 4.5 ammonium acetate solution (0.02mol/L). Weigh 1.54g ammonium acetate, add water to 1000mL, through 0.45μm membrane before use filter. 4.6 Sodium hydroxide solution (0.01mol/L). Weigh 0.40g of sodium hydroxide, add water to 1000mL. 4.7 Suckercides Dan standard substance (Maleichydrazide, C4H4N2O2, CASN o. 123-33-1). purity of greater than 99.9%. 4.8 maleic hydrazide standard stock solution. accurately weighed amount Suckercides Dan standards, dissolve and dilute with 0.01mol/L sodium hydroxide solution (4.6) Release to a concentration of 1mg/mL standard stock solution. 4.9 maleic hydrazide standard solution. draw 1.0mL standard stock solution (4.8), diluted with 0.01mol/L sodium hydroxide solution (4.6) Constant volume to 100mL, formulated at a concentration of 10mg/L of standard working solution. 4.10 microporous membrane. 0.45μm, organic phase. 4.11 SPE. C18 cartridge, 3mL, 500mg, or equivalent person. Followed by 4mL methanol and 4mL0.01mol/L hydroxide Sodium solution (4.6) alternate after activation. 5. Apparatus 5.1 High performance liquid chromatograph. with UV or diode array detector. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 0647-2013_English be delivered?Answer: Upon your order, we will start to translate SN/T 0647-2013_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 0647-2013_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 0647-2013_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. 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