SN/T 3878-2014 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 3878-2014: Food contact materials. Polymers. Determination of azodicarbonamide in food simulants. High performance liquid chromatography Status: Valid
Basic dataStandard ID: SN/T 3878-2014 (SN/T3878-2014)Description (Translated English): Food contact materials. Polymers. Determination of azodicarbonamide in food simulants. High performance liquid chromatography Sector / Industry: Commodity Inspection Standard (Recommended) Word Count Estimation: 9,992 Quoted Standard: GB/T 6682; GB/T 23296.1-2009 Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine Issuing agency(ies): General Administration of Customs Summary: This Standard provides high-performance liquid chromatographic method food simulants azodicarbonamide. This Standard applies to water, determination of the content of 3% dimethylformamide (mass concentration) solution of acetic acid, 10% (by volume) ethan SN/T 3878-2014: Food contact materials. Polymers. Determination of azodicarbonamide in food simulants. High performance liquid chromatography---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. Food contact materials. Polymers. Determination of azodicarbonamide in food simulants. High performance liquid chromatography People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials - Polymer food simulants Azodicarbonamide HPLC Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordAccordance with the standards GB/T 1.1-2009 given rules to write. Please note that some content of this document may involve patents, publication 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 Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wang Hongsong, Xu Yan, Chen, Zhao, Liu Junfeng, Zhou Zhirong, Wang Wenhui. Food contact materials - Polymer food simulants Azodicarbonamide HPLC1 ScopeThis standard specifies a high performance liquid chromatographic method food simulants azodicarbonamide. This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution of water and olive oil-based mimetics four kinds of food Determination of the content of products dimethylformamide mimetic azo.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 Analysis GB/T 23296.1-2009 plastic food contact materials in a plastic substance restricted substances to foods and food simulants special Given the migration test methods and the determination of exposure to food simulants and conditions Selection Guide3 Method summaryFood simulants azodicarbonamide separated by HPLC using a UV detector for detection. Water-based food Mimetic by solid phase extraction column backward concentrated sample olive oil mimetic through N, N- dimethylformamide extracted backward like using external standard method Quantified.4 Reagents and materialsUnless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 stipulated. 4.1 azodicarbonamide (C2H4N4O2, CAS number. 123-77-3). purity of greater than 99.0% (mass fraction). 4.2 acetic acid. 4.3 ethanol. 4.4 olive oil. 4.5 Methanol. chromatographically pure. 4.6 N, N- dimethylformamide (hereinafter DMF). 4.7 3% (mass fraction) acetic acid solution. Weigh 30g (accurate to 0.1g) in glacial acetic acid (4.2) in 1L flask, water volume. 4.8 10% (by volume) ethanol. Measure 100mL anhydrous ethanol (4.3) in 1L flask, water volume. Azodicarbonamide stock standard solution (1.0mg/mL) 4.9 water-based food simulants used. Weigh accurately azodicarbonamide standard Product (4.1) 0.1g in 100mL flask, accurate to 0.0001g, with DMF (4.6) to the mark at 0 ~ 4 ℃ sealed from light protection Deposit, valid for three months. Azodicarbonamide stock standard solution (1.0mg/g) 4.10 Olive oil mimetic used. Weigh accurately azodicarbonamide standard (4.1) 0.1g in 100mL flask, accurate to 0.0001g, and then adding a certain amount of olive oil (4.4) to the flask, the total mass of the solution 100.0g, accurate to 0.0001g, 0 ~ 4 ℃ stored in sealed dark period of three months. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 3878-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 3878-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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