SN/T 1504.3-2014 English PDFSN/T 1504.3: Historical versions
Basic dataStandard ID: SN/T 1504.3-2014 (SN/T1504.3-2014)Description (Translated English): Plastics used for food container and package. Part 3: Determination of butylated hydroxy toluene (BHT) in polymers of ethylene and ethylene-vinyl acetate (EVA) copolymers. Gas chromatography Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: A82 Classification of International Standard: 55.100 Word Count Estimation: 8,851 Older Standard (superseded by this standard): SN/T 1504.3-2005 Adopted Standard: ASTM D4275-2009, MOD Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of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 specifies the food containers, packaging ethylene polymers and ethylene - Determination hydroxy toluene (BHT, 2, 6- di-tert-butyl-4-hydroxy toluene) - A vinyl acetate (EVA) copolymer, butyl method. This Standard applies to food containers an SN/T 1504.3-2014: Plastics used for food container and package. Part 3: Determination of butylated hydroxy toluene (BHT) in polymers of ethylene and ethylene-vinyl acetate (EVA) copolymers. Gas 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 containers; packaging plastic materials - Part 3. ethylene polymers and ethylene - vinyl acetate (EVA) copolymer butyl - hydroxy toluene (BHT) - Determination - Gas Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 1504.3-2005 Food containers, plastic packaging materials Part 3. ethylene polymers and ethylene - vinyl acetate (EVA) copolymers butyl - hydroxy toluene (BHT) of Gas Chromatography Part 3. Determinationofbutylatedhydroxytoluene (BHT) inpolymersof ethyleneandethylene-vinylacetate (EVA) copolymers- Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordSN/T 1504 "food containers, plastic packaging materials" is divided into five parts. --- Part 1. polypropylene homopolymer phenolic antioxidants and erucamide slip agent liquid chromatography method for the determination; --- Part 2. linear low density polyethylene phenolic antioxidants and erucamide slip agent liquid chromatography method for the determination; --- Part 3. ethylene polymers and ethylene - vinyl acetate (EVA) copolymer butyl - hydroxy toluene (BHT) measured gas Chromatography; --- Part 4. High density polyethylene phenolic antioxidants was measured by liquid chromatography; --- Part 5. Polyolefin Determination of impurity elements in the X-ray fluorescence spectrometry. This section SN/T 1504 Part 3. This section drafted in accordance with GB/T 1.1-2009 given rules. The partial replacement of SN/T 1504.3-2005 "food containers, plastic packaging materials - Part 3. ethylene polymers and ethylene - vinyl acetate Vinyl acetate (EVA) copolymer butyl - hydroxy toluene (BHT) - Gas Chromatography ", this part of the SN/T 1504.3-2005 phase Here, the main differences are as follows. Text --- this section in accordance with GB/T 1.1-2009 write; --- Chapter 1 revised "This section provides food containers, packaging ethylene polymers and ethylene - vinyl acetate (EVA) copolymer The butyl - hydroxy toluene (BHT, 2,6- di-tert-butyl-4-hydroxytoluene) was determined. " The partial modification using ASTMD4275.2009 content, wherein the title changed to "food containers, plastic packaging materials 3 Part I. ethylene polymers and ethylene - vinyl acetate (EVA) copolymer butyl - hydroxy toluene (BHT) - Gas chromatographic method. " This section proposed and managed by the National Certification and Accreditation Administration Committee. The main drafters of this section. From Liu Shao, Lu Gang, Zhang Bin, Luo Xuan, Ding Yu, Wang Na. This part of the standard replaces the previous editions are. --- SN/T 1504.3-2005. Food containers, plastic packaging materials Part 3. ethylene polymers and ethylene - vinyl acetate (EVA) copolymers butyl - hydroxy toluene (BHT) of Gas Chromatography1 ScopeSN/T 1504 provisions of this part of the food containers, packaging ethylene polymers and ethylene - vinyl acetate (EVA) copolymer Ding Yl - hydroxy toluene (BHT, 2,6- di-tert-butyl-4-hydroxytoluene) was determined. This section applies to food containers and packaging ethylene polymers and ethylene - vinyl acetate (EVA) copolymer butyl - hydroxytoluene (BHT, 2,6- di-tert-butyl-4-hydroxy toluene) separation and determination.2 principle of the methodThe samples were finely wherein the BHT with cyclohexane or isopropanol containing internal standard manner by shaking or refluxing extraction. Extract Spectrometry internal standard method by gas chromatography.3 Reagents and materials3.1 Cyclohexane. chromatography. 3.2 Isopropanol. chromatography. 3.3 methyl fourteen (alkyl) salt (or ester) (MM). internal standard, purity 99%, boiling point 323 ℃. 3.4 butyl - hydroxy toluene (BHT, 2,6- di-tert-butyl-4-hydroxyphenyl). AR. 3.5 Hydrogen bottle. Pre purified. 3.6 Nitrogen bottle. pre-purified, should be oxygen-free carrier gas. Note. can also be used helium as the carrier gas. 3.7 Air. air pump or pumps.4 Instrument4.1 reflux extraction device include. 250mL round bottom flask, condenser and heating mantle supporting. 4.2 Wiley mill. with 10 mesh and 20 mesh sieve mill. 4.3 swing oscillator. 4.4 Gas chromatograph. with flame ionization detector. 4.5 Injector. 10μL. 4.6 Analysis of balance. a sense of the amount of 0.0001g.5 GC conditions5.1 GC column. 3.2mm (outside diameter) × 1.8m, 20% UCW-98 is applied to a column packed with 80/100 mesh ChromosorbP, or similar ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1504.3-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 1504.3-2014_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). 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