SN/T 2454-2010 English PDF
Basic dataStandard ID: SN/T 2454-2010 (SN/T2454-2010)Description (Translated English): Determination of dimethyl fumarate in mildew preventives. Gas chromatography spectrometry Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: Y44 Classification of International Standard: 71.100.99 Word Count Estimation: 9,989 Date of Issue: 2010-03-02 Date of Implementation: 2010-09-16 Quoted Standard: GB/T 6283 Regulation (derived from): National Quality Inspection (2010) 98; industry standard filing Notice 2010 No. 5 (No. 125 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the fungicide dimethyl fumarate gas chromatography detection methods. This standard method a suitable organic purity dimethyl fumarate, not less than 95 % of the fungicide in the determination of dimethyl fumarate, methods, two for naphthalene content of 10 % to 95% of fungicide Determination of dimethyl fumarate. SN/T 2454-2010: Determination of dimethyl fumarate in mildew preventives. Gas chromatography spectrometry---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 dimethyl fumarate in mildew preventives.Gas chromatography spectrometry Exit inspection and quarantine industry standard book People's Republic of China Determination of dimethyl fumarate in fungicide Gas chromatography Issued on. 2010-03-02 2010-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordAppendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard is drafted by. People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Fujian Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Li Dan, ZHOU Ming-hui, Di Cuiping, Homocysteine on Linbi Fen, Liu Yingfeng, Yueda Lei, Xiaoda Hui, Zheng Jianguo. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of dimethyl fumarate in fungicide Gas chromatography1 ScopeThis standard specifies the fungicide dimethyl fumarate by gas chromatography detection methods. This standard applies to a method of dimethyl fumarate organic purity of not less than 95% of fungicide dimethyl fumarate determination method Not applicable to the content of dimethyl fumarate, dimethyl fumarate, measured in 10% to 95% of the fungicide.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently Some amendments (not including errata content) or revisions do not apply to this standard. However, encourage the parties to the agreement Research on whether to use the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6283 Determination of moisture content of chemical products Karl Fischer method (General method)3 Terms and DefinitionsThe following terms and definitions apply to this standard. Dimethyl fumarate (Dimethylfumarate, CAS Code. 624-49-7) Its structural formula is shown in Figure 1. Formula 1 dimethyl fumarate Method 4 a 4.1 Principle of the method First, according to GB/T 6283 Determination of sample moisture content by the Karl Fischer method, the sample is then determined gravimetrically ethyl acetate Insolubles content; determination of organic purity dimethyl fumarate by gas chromatography and then, after deduction of water and ethyl acetate insoluble content meter Operators sample of dimethyl fumarate content. 4.2 Reagents Ethyl acetate. analytical purity ≥99.5%, over 5 molecular sieve dehydration process?. By GC assay, in dimethyl fumarate peaks No interference peak appears at a retention time. 4.3 instruments and equipment 4.3.1 Gas Chromatograph (GC). with a FID detector. 4.3.2 Glass beaker. 25mL. 4.3.3 Filter crucible. G4 type, 30mL. 4.3.4 Electronic balance. a sense of the amount of 0.1mg. 4.3.5 Micro Injector. 10μL. 4.3.6 blast oven. 4.3.7 ultrasonic extractor. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2454-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2454-2010_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 2454-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2454-2010_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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