SN/T 1744-2018 English PDFSN/T 1744: Historical versions
Basic dataStandard ID: SN/T 1744-2018 (SN/T1744-2018)Description (Translated English): (Detection method of estrone, diethylstilbestrol and diethylstilbestrol in animal feed for export) Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: B46 Date of Issue: 2018-03-12 Date of Implementation: 2018-10-01 Older Standard (superseded by this standard): SN/T 1744-2006 Regulation (derived from): National Quality Inspection (2018) 76 Issuing agency(ies): General Administration of Customs SN/T 1744-2006: Inspection of hexoestrol, diethylstilboestrol and dienoestrol residues in animal feed for import and export. GC-MS 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. Inspection of hexoestrol, diethylstilboestrol and dienoestrol residues in animal feed for import and export. GC-MS method People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Import and export of animal feed, hexestrol, diethylstilbestrol, Method for testing the residual amount of diethylstilbestrol Gas chromatography tandem mass spectrometry Released on.2006-01-26 Implementation of.2006-08-16 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued ForewordAppendix A, Appendix B and Appendix C of this standard are informative annexes. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Shanghai Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Yang Jingxian, Li Bo, Guo Dehua, Han Li, Yang Huiqin, Sheng Yonggang. This standard is the first industry standard for entry-exit inspection and quarantine. Import and export of animal feed, hexestrol, diethylstilbestrol, Method for testing the residual amount of diethylstilbestrol Gas chromatography tandem mass spectrometry1 ScopeThis standard specifies the sampling, sample preparation and testing of artificial synthetic hormones estrone, diethylstilbestrol and diethylstilbestrol in animal feed. Gas chromatography-mass spectrometry. This standard applies to the test of residues of hexestrol, diethylstilbestrol and diethylstilbestrol in animal feed.2 sampling and sample preparation2.1 Inspection lot No more than.2000 pieces for one inspection lot. Goods in the same inspection lot should have the same characteristics, such as packaging, marking, origin, specifications and grades. 2.2 Number of samples The number of samples is shown in Table 1. Table 1 Batch/piece minimum sample/piece 1 to 500 15 501~1000 25 1001～2000 35 2.3 Sampling tools 2.3.1 Sampling spoon. 2.3.2 Sample plate. 2.3.3 Sample cloth. 2.3.4 Sample holder. tube or bag, can be sealed. 2.4 Sampling methods The sample bags are randomly taken from each part of the stack according to the number of samples to be sampled according to 2.2, and opened one by one. Extract the representative from each sample with a sampling spoon The sample was 500 g and immediately placed in a clean sample holder. The total amount of sample taken per bag should be no less than 4kg. Pour all the samples taken onto the sample cloth, and use the sample plate to divide the sample into not less than 2 kg by quarter method. Pour into the sampler and seal After that, mark the mark and send it to the laboratory in time. 2.5 Sample preparation 2.5.1 Sample preparation tools a) Crusher. b) Sample plate. c) Sample holder. with a jar or sealed bag. 2.5.2 Sample preparation method The retrieved samples were all pulverized, mixed, and evenly divided into two portions by a quarter method, and placed in a sample holder as a sample. Seal and mark the mark. 2.6 Sample storage The sample was sealed and stored at 5 ° C or lower. Samples should be protected from contamination or residue levels during sampling and sample preparation. Variety. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1744-2018_English be delivered?Answer: Upon your order, we will start to translate SN/T 1744-2018_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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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version SN/T 1744-2018?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 1744-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
