SN/T 4021-2014 English PDFUS$469.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 4021-2014: Determination of residues of toxaphene in fish oil and feedingstuffs for export Status: Valid
Basic dataStandard ID: SN/T 4021-2014 (SN/T4021-2014)Description (Translated English): Determination of residues of toxaphene in fish oil and feedingstuffs for export Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X20 Classification of International Standard: 67.120.30 Word Count Estimation: 18,147 Quoted Standard: GB/T 6682 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 fish oil and fish feed toxaphene flag residues by gas chromatography - mass spectrometry/mass spectrometry. This Standard applies to fish oil and fish feed flag toxaphene residues detected. SN/T 4021-2014: Determination of residues of toxaphene in fish oil and feedingstuffs for export---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 residues of toxaphene in fish oil and feedingstuffs for export People's Republic of China Entry-Exit Inspection and Quarantine Standards Exports of fish oil and fish feed toxaphene Detection of Residual Issued on. 2014-01-13 2014-08-01 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 is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Zhu Jian, Hai Hung Yi, Yang Huiqin, Deng Xiaojun. Exports of fish oil and fish feed poisoning Detection Finland Residues1 ScopeThis standard specifies the fish oil and fish feed toxaphene flag residues by gas chromatography - mass spectrometry/mass spectrometry. This standard applies to fish oil and fish feed flag toxaphene residues residues detected.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the edition for text Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis3 Preparation and Storage of samples3.1 In the sample preparation procedure, it should prevent sample contamination or the occurrence of the change of residue content. Samples should be stored at room temperature. 3.2 fish oil capsules (pills) Samples. All samples taken from, and take about 50 capsules (pills), after breaking the cut, extruded fish oil. 3.3 fish feed. Remove all the samples taken from a representative sample of about 100g, with pulverizer, through a pore size of 0.85mm sieve (20 mesh), are divided into two, into the clean container, as a sample. Sealed and marked with tags.4 Determination4.1 Method summary The sample was extracted toxaphene flag residue with anhydrous ether extract was concentrated sulfuric acid sulfonation purification, washed with 2% sodium sulfate solution After dehydration over anhydrous sodium sulfate cartridge. With negative chemical ionization gas chromatography - mass spectrometer, external standard. 4.2 Reagents and materials Unless otherwise specified, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.2.1 Concentrated sulfuric acid. (ρ about 1.84g/mL). 4.2.2 n-hexane. chromatographically pure. 4.2.3 anhydrous ether. chromatography. 4.2.4 Anhydrous sodium sulfate. ignition at 650 ℃ for 4h, cooled storage in a closed container in the back. 4.2.5 2% sodium sulfate solution. Weigh 2.0g sodium sulfate, was added 100mL of water. 4.2.6 toxaphene standard solution. Toxaphene -ParlarNo.26 (CHB-26); toxaphene -ParlarNo.50 (CHB-50); toxaphene - ParlarNo.62 (CHB-62); are configured to concentration 1μg/mL standard stock solution in iso-octane. 4.2.7 toxaphene mixed standard working solution. if necessary, draw the appropriate amount of each standard solution toxaphene, after pre-treatment with a blank group The quality of toxaphene standard solution was diluted to the appropriate concentration of standard working solution. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4021-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 4021-2014_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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