SN/T 0350-2012 English PDFSN/T 0350: Historical versions
Basic dataStandard ID: SN/T 0350-2012 (SN/T0350-2012)Description (Translated English): Determination of gibberellic acid residues in fruit for export. LC-MS/MS Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X24 Classification of International Standard: 67.080 Word Count Estimation: 18,143 Older Standard (superseded by this standard): SN 0350-1995 Quoted Standard: GB/T 6682 Regulation (derived from): National Quality Inspection (2012) 237 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the residues in fruits gibberellin sample preparation and liquid chromatography mass spectrometry/mass spectrometry. This standard applies to exports of apples, oranges, peaches, pears and grapes gibberellin residues detected. SN/T 0350-2012: Determination of gibberellic acid residues in fruit for export. LC-MS/MS---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 gibberellic acid residues in fruit for export.LC-MS/MS People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0350-1995 Determination of gibberellin residues in fruits for export Liquid chromatography - mass spectrometry/mass spectrometry export-LC-MS/MS Issued on. 2012-05-07 2012-11-16 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 replaces SN 0350-1995 "gibberellin residues in fruits for export." This standard compared with SN 0350-1995, the main technical changes are as follows. --- Method name, cover, preface, the detection method; --- Deletion of the sampling section. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of 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 Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Xie, Zheng Ziqiang, Qian Yan, Ding Huiying, Ye Jiaming, Shi Lei, Lv Chunhua. This standard replaces the standards previously issued as follows. --- SN 0350-1995. Determination of gibberellin residues in fruits for export Liquid chromatography - mass spectrometry/mass spectrometry1 ScopeThis standard specifies the sample preparation and liquid chromatography gibberellin residues in fruit - mass spectrometry/mass spectrometry. This standard applies to export inspections apples, oranges, peaches, pears and grapes gibberellin residues.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 Analysis3 Method summaryGA sample extract residues with acetonitrile extract by liquid-liquid distribution after purification by liquid chromatography - mass spectrometry/mass spectrometry and confirmation, External standard.4 Reagents and materialsUnless otherwise specified, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. HPLC grade. 4.2 Methanol. HPLC grade. Ethyl acetate 4.3. HPLC grade. 4.4 formic acid. HPLC grade. 4.5 potassium dihydrogen phosphate. 4.6 sodium hydroxide. 4.7 sulfuric acid. 4.8 sodium chloride. 4.9 aqueous sulfuric acid (pH2.5). 1 drop of sulfuric acid was added 100mL of water, water adjusted to pH 2.5. 4.10 phosphate buffer solution (pH7). 6.7g 1.2g potassium dihydrogen phosphate and sodium hydroxide were dissolved in 1L of water. 4.11 0.15% formic acid solution. Pipette 0.15mL acid, diluted with water to 100mL. GA 4.12 standard (Gibberelicacid, CAS number. 77-06-5, C19H22O6). purity of greater than or equal to 98%. GA 4.13 standard stock solution. Weigh the right amount of standard (4.12), dissolved in methanol solution at a concentration of 100μg/mL. 0 ℃ ~ 4 ℃ refrigerator stored. Valid for three months. 4.14 standard solution. A standard solution diluted according to need to use the blank sample solution into 4ng/mL, 5ng/mL, 10ng/mL, 100ng/mL standard solution and 150ng/mL, equivalent to a sample containing 8μg/kg, 10μg/kg, 20μg/kg, 200μg/kg, 300μg/kg gibberellin. Pro preparation before use. The organic phase was 4.15 microporous membrane. 0.45μm. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 0350-2012_English be delivered?Answer: Upon your order, we will start to translate SN/T 0350-2012_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 0350-2012_English with my colleagues?Answer: Yes. 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